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[[foldercontrol]]

[[folder:L]]
* LamePunReaction is the trope formerly known as "Incredibly Lame Pun". The latter page had been originally intended as a PotholeMagnet, and that usage was overwhelming the use of the later-added trope, so the actual trope was moved to its own page and Incredibly Lame Pun redirected to {{Pun}}.
* LampshadedDoubleEntendre had previously been "Nudge Nudge", and before that Nudge, and even and before that "If You Know What I Mean". If You Know What I Mean had "I" in the title, which signals conversation in the main article and [[PotholeMagnet attracts potholes]]. Nudge was used as a temporary replacement. It was changed to Nudge Nudge to be a little more clear. The current name came about to point out that the trope is about the {{lampshad|e Hanging}}ing of {{Double Entendre}}s, not the entendres themselves.
* {{Landlord}} was formerly "The Kanrinin" from the Japanese term. It was renamed because it was GratuitousJapanese for a concept much further reaching than Japan.
* LargeHamAnnouncer used to be called "Anything's Awesome with Announcers", which did not state what sort of announcer the trope covered.
* TheLastStraw was formerly "Wafer Thin Mint". Renamed due to the original name being an obscure reference to ''Film/MontyPythonsTheMeaningOfLife'' that was going over most people's heads, and even the ''intro'' suggesting that "the last straw" was a more common name for the trope.
* LateArrivalSpoiler was formerly "You Should Know This Already", in reference to how it would seem that only the creators considered recent plot revelations to no longer be spoilers. It was eventually renamed due to many, ''many'' tropers misusing it either by literally interpreting the title, or as an excuse to not use spoiler tags.
* LateToThePunchline used to be "Swiss Moment" from a relatively minor association of the Swiss with being slow to get jokes rather than the major associations with chocolate, money, cheese or neutrality.
* LateToTheTragedy used to be "Late to the Party", but it kept getting misused for characters who joined the party after the adventure had started, or for people who were just late in general, especially to parties.
* LauncherOfAThousandShips was previously known as "Little Black Dress" (since such characters "go with everything"). This was renamed since it has nothing to do with dresses and the fact that there were many male examples fitting the trope too. LittleBlackDress now covers ExactlyWhatItSaysOnTheTin.
* LessEmbarrassingTerm was once "The European Carry-All", but this was a somewhat obscure ''Series/{{Seinfeld}}'' reference that many people might not recognize.
* LesserStar was originally "Garfunkel". Not only was it commonly misused as StuckInTheirShadow, it wasn't even an example -- Art Garfunkel was very important in Music/SimonAndGarfunkel's harmonies.
* LGBTFanbase was originally "Fan Yay", a less-than-clear snowclone of HoYay.
* LightEmUp used to be "Light the Way". It was renamed since the old name was getting confused for ''literally'' lighting the way, not light as an elemental power.
* LightFlickerTeleportation was renamed from "Blackout Blink" to clarify the trope's meaning since "blackout" was being used in a non-traditional way in the old name.
* LikesOlderWomen used to be "Cake Eater". It was renamed to clarify what the trope means.
* LiteralMinded used to be called "Amelia Bedelia" after a character in an eponymous series of children's books. It was renamed because it was too obscure a title for too major a trope.
* LiteralSplitPersonality once lived its life as a trope named "Starfish Character", an ''Literature/{{Animorphs}}'' reference. A character was split into a Angry and a Wuss version of herself, after being cut in half... as a starfish.
* LittleBitBeastly was once known as "Kemonomimi". However, the former title was very hard to search. Before that it was named PettingZooPeople which became entirely a new trope.
* LittleGuyBigBuddy was formerly "Marc Anthony and Pussyfoot", characters from an old [[WesternAnimation/FeedTheKitty cartoon]]. The name was being used for the characters, and was also being mistaken for a trope about a dog and a cat, instead of a broad trope about a relationship between two people.
* LittleMissBadass was formerly known as "Badass Lolita". The name was changed due to the original's reference to a character with major unrelated connotations, and because "loli" hit some sort of filter and caused Google to refuse to support the page with ads.
* LittleMissSnarker was originally known as "The Ruri" (named after Hoshino Ruri of ''Anime/MartianSuccessorNadesico''), but then it was changed to "Deadpan Loli". Now it has been renamed for the same reasons as the above trope.
* LoanShark was shortened from "All Devouring Black Hole Loan Sharks", the name of a company in ''VideoGame/{{Pikmin}} 2''.
* LondonGangster was called "Kray Winstone", the apparent first name actually being the surname of an iconic pair of RealLife London gangsters, the surname being of an actor whose performance was inspired by the Krays. Most tropers didn't get the two references and the examples include a variety of London Gangsters, not just [[TheDon Dons]] inspired by the Krays.
* LonelyFuneral was "Tragic Funeral" before. The previous title wasn't clear enough.
* LongingForFictionland was "Longing for Pandora" (after the setting of the movie ''Film/{{Avatar}}''). There was too much scope for confusion with the character from Greek myth / Pandora's box.
* LongLostUncleAesop was previously "Uncle Ned", a character reference (from ''Series/FamilyTies'') nobody connected to and which obscured the point of the trope, leading to confusion with RememberTheNewGuy.
* LongSongShortScene was renamed from "Wasted Song" as the latter was too complain-y.
* LookBehindYou was "Hey, What's That?" Renamed in the dark days before punctuated titles, when apostrophes where frowned upon.
* LootDrama was "The Ridill". Which it was. Few people outside the ''Franchise/FinalFantasy'' fandom will know of this sword -- but LootDrama in {{Massively Multiplayer Online Role Playing Game}}s is fairly common and this is usual term for it. The term gives good clues to those outside this broader camp, too.
* LostInMediasRes once was "Hold Your Horses", where it wasn't that obvious that ''the author'' was meant.
* LoudnessWar was "Record of Loudness War". The old name was an awkward pun off of ''Roleplay/RecordOfLodossWar'' and there was no reason to use it over the pre-existing term.
* LovableAlphaBitch was "Lovable Libby" and renamed for the same reasons as The Libby -- essentially for being a (work-knowledge dependent) character-named trope.
* LovedOnesMontage used to be called "Nakamania". Renamed for being opaque, especially after the rename of "Nakama" to TrueCompanions and for not thriving.
* LovelyAssistant was once "The Vanna" after the hostess from ''Series/WheelOfFortune''. The name was changed as part of expanding the trope beyond the scope of game shows.
* LoverTugOfWar used to be "Tug Lover War". It was not widely used, though it's a moderately common trope, so it was given a clearer/less bizarre name.
* LovesMyAlterEgo was formerly "The Lois Lane". Not only was the first non-descriptive, many thought it was a separate trope, and many linked to it as Lois Lane the character.
* LyricsVideoMismatch was renamed from "Narrative Non Sequitur" to clarify its meaning as a trope exclusive to music videos.
[[/folder]]

[[folder:M]]
* MachineWorship was "Ave Machina". It was changed because many people thought Ave was a religious term, when it's actually a Latin salute (like in "Ave Caesar, morituri te salutant" -> "Hello Ceasar, those who will die salute you").
* MagicalEye was renamed from Evil Eye so that it wouldn't pick up any more misuse for any of the actual meanings of "Evil Eye".
* MagicalGirlWarrior was originally "Magic Warrior", and was changed to make it obvious that the trope was about {{Magical Girl}}s and not {{Magic Knight}}s.
* MagpiesAsPortents was originally "One for Sorrow, Two for Joy," a nursery rhyme that is unfamiliar to many outside the British Isles.
* MakeRoomForTheNewPlot was renamed from "Got a Bigger Problem Now" to clarify the trope's meaning and to rid it of a line of dialogue title.
* MalignedMixedMarriage was "Mixed Marriage". It was changed because people kept using the old name for interracial relationships in general.
* ManBitesMan was once "Take a Bite Out of Crime" from an unrelated PublicServiceAnnouncement where it was the slogan of [=McGruff=] the Crime Dog. Didn't make it clear who was biting who and gave the misleading impression it was something to do specifically with crimefighting.
* ManChild was originally named "The Oscar" after a character from ''Series/ArrestedDevelopment'' who didn't even fit the trope.
* MandatoryMotherhood was once "Childfree Is Not Allowed". It was renamed because childfree is not synonymous with "childless"; it is the name of a somewhat controversial movement. The old name caused some misuse, and carried unnecessary connotations that other, clearer names could avoid.
* MasculineGirlFeminineBoy was originally "Pink Boy, Blue Girl". It was changed due to the old name being misused as an inversion of PinkGirlBlueBoy.
* MeaninglessVillainVictory was formerly "Pound of Flesh Twist", after the Shakespeare play ''Theatre/TheMerchantOfVenice''. Underuse suggested that it needed a more descriptive name.
* MeaningfulEcho was once "You Are with Me", after a line from ''Literature/HarryPotterAndTheHalfBloodPrince''. FanMyopia at its finest.
* MeddlesomePatrolman was formerly "The Longtarin" after a character from ''ComicBook/GastonLagaffe'' which few people knew about.
* MediaScrum was formerly just "Scrum". It was renamed because Scrum is broader term and the media version isn't the predominant use of it.
* MenBuyFromMarsWomenBuyFromVenus was renamed from the even longer and harder to remember "Men Are from Candy Bars Women Are from Shaving Products".
* TheMenInBlack was MIB. We generally don't like acronym trope names unless the spelled out title contains profanity.
* MetaphoricallyTrue had three previous names: "Jedi Truth", then "From a Certain Point of View" (as it retains [[Film/ReturnOfTheJedi the origins]] while being clearer), and finally "Half Truth", which was still not precise. The current name is due to a split that has not been implemented.
* MetronomicManMashing was formerly "Metronomic Mook Massacre", but was renamed because it had little to do with {{mooks}} or massacres.
* MergedReality was renamed from "Make a Better World" because it was being misused for characters who want to make the world a better place rather than for examples of parallel worlds being merged.
* MessyPig was originally titled "Everything's Messier with Pigs", a snowclone of the discredited "Everything's Better With" family. As with several similarly named tropes, the earlier name encouraged a list of all pigs regardless of portrayal.
* MidBattleTeaBreak was originally Crocker Tea Breaker because of a scene in ''WesternAnimation/TheFairlyOddParents'' movie ''Abra-Castastrophe'' in which Crocker, Timmy, Cosmo and Wanda are seen having sitting at a table having tea in the middle of a battle. Despite the fact it was originally the TropeNamer, it was renamed likely because the original title was confusing.
* MightyWhiteyAndMellowYellow was renamed from "Asian Gal With White Guy" because the latter sounded like Administrivia/PeopleSitOnChairs, and was indeed misused as any relationship between a Western man and an Asian woman. The latter in turn was originally known as "Me Love You Long Time". That was renamed due to the racist connotations of the phrase "Me Love You Long Time" and [[Film/FullMetalJacket the trope namer]] not being an example.
* MinigameZone was "Golden Saucer", after the amusement park in ''VideoGame/FinalFantasyVII''. It got renamed because the true name is Gold Saucer, and the name wasn't working well enough (not enough wicks and inbounds).
* MinimalistCast was renamed from "Omega Cast" to help encourage use for an underused trope and to clarify its meaning.
* MinorCrimeRevealsMajorPlot was renamed from "Gonna Need a Bigger Warrant" for clarity and to more directly include non-official investigations within an otherwise common trope that was being underused.
* MinorFlawMajorBreakup used to be "Man Hands", in-reference to a ''Series/{{Seinfeld}}'' episode that used the trope. This was an opaque title; no indication of what was happening, nor why.
* MissingStepsPlan was renamed from "Step Three: Profit", as the latter was an ambiguous meme.
* MistakenForPedophile was once "Little Kid Lover".
* MistreatmentInducedBetrayal was originally "Help Face Turn". It was renamed for being a [[Administrivia/EverythingsWorseWithSnowclones Bad Snowclone]] of HeelFaceTurn that was entirely misleading; it sounded more like a trope about a minion making a HeelFaceTurn because TheHero helped them rather than because their boss [[BadBoss mistreated them]].
* MisunderstoodLonerWithAHeartOfGold was once named "The Boo Radley" from a character in ''Literature/ToKillAMockingbird''. The name provided no context and was opaque to those unfamiliar with the work. To those who intended to read the book it acted as a spoiler.
* MixedAncestry used to be named "Half Breed", which is a very offensive racial slur. The trope itself ''isn't'' meant to be offensive, since it's a supertrope for a variety of permutations.
* MockGuffin was previously "Golden Helmet of Mambrino". Renamed for being too obscure and non-indicative.
* TheModernAgeOfComicBooks was formerly known as "Modern Age". It was renamed because not only did it need to be changed to match the new names for Golden Age and Dark Age, but there were also references to the concept of a Modern Age independent of comic books.
* {{Moe}} was formerly "Moe Moe" because of a now-obsolete minimum on how long trope names could be. It was changed to {{Moe}} because that is the correct term for the trope and less confusing (except for all the Western-media characters named "Moe"). As they say, mo' moe, mo' problems.
* MoeStare, which easily rolls off the tongue, used to be "Manic Pixie Dream Girl Stare", which... doesn't.
* MomentOfAwesome was "Crowning Moment of Awesome" (and shortly before, "Awesome Moments"). Renamed due to trope decay, as the name implied a singled out epic moment for a character (or work), and instead characters/works were receiving entire ''lists'' of said moments. Likewise, the snowclones [[SugarWiki/FunnyMoments Crowning Moment of Funny]], and [[HeartwarmingMoments Crowning Moment of Heartwarming]].
* MoneyMakingShot was renamed from "Money Shot" due to the latter's porn connotations.
* MoonLogicPuzzle used to be "See the Sailboat", after a Magic Eye puzzle in the movie ''Film/{{Mallrats}}''. Since it isn't about sailboats and the somewhat obscure reference leads to a figurative link with {{Moon Logic Puzzle}}s (something you stare at fruitlessly), it was changed to a descriptive title.
* MoralEventHorizon was formerly known as "Rape the Dog", but had to be renamed due to it being treated as KickTheDog, [[Administrivia/TheSameButMore But More Evil!]] (Also, TVTropes is the wrong place for bestiality.)
* MoreFriendsMoreBenefits used to be known as "Mambo Intimacy 5", but was renamed for clarity because the original name was obscure and somewhat unrelated to video games anyway.
* MovesetClone was renamed from "Ryu and Ken" for failing the OneMarioLimit.
* MrAltDisney was formerly "Dis Not". It was renamed for clarity, partly to make it more apparent that the trope is about a parody of WaltDisney the person.
* MrFanservice used to be "Estrogen Brigade Bait". It was changed because it's supposed to be a SpearCounterpart to MsFanservice and kept getting misused to mean any male character that the troper thought was sexy. It also sounded like MultipleDemographicAppeal through fanservice directed at the EstrogenBrigade.
* MrsHypothetical spent maybe a few hours as "Thinking of Changing Her Name to His" before being changed. The name it launched under was intolerably wordy and didn't quite outline the general concept.
* MrViceGuy used to be "[=McDuck=]", but was renamed since it was unclear, lacked "The", and was being linked to by tons of articles referencing the character rather than the trope.
* MulticulturalAlienPlanet used to be "Lots of Planets Have a North". Created around a line from ''Series/DoctorWho'' that wasn't an example for the sake of the reference, this misleading title suggested it was AliensOfLondon i.e. aliens with real life accents rather than, well, a MulticulturalAlienPlanet -- an alien planet with distinct ethnicities, cultures, and traditions. Misuse followed.
* MummiesAtTheDinnerTable started life as "Last Dance with Mary Jane", then was changed to NormaBates to to make it clear that it covered more than necrophilia, then was changed again when it was pointed out that "Norma Bates" was misleading to people who were familiar with ''Film/{{Psycho}}'', opaque to people who weren't, and was a spoiler, to boot.
* MundaneMadeAwesome was originally "What Do You Mean It's Not Awesome". It was changed to be clearer, and to get away from the tired [[WhatDoYouMeanItsNotAnIndex What Do You Mean, It's Not X?]] snowclone family.
* MuppetCameo was renamed from "Everything's Better with Muppets" to cut ties with the discredited and only tenuously connected "Everything's Better With X" snowclone family.
* MustNotDieAVirgin used to be called "You Don't Want to Die a Virgin, Do You?". It was renamed for being a dialog title and for being misused for any life or death situation.
* MutantDraftBoard used to be called "The Corps Is Mother", after the slogan of the infamous Psi Corps from ''Series/BabylonFive''. The original title was another victim of the move away from referencing specific series.
* MyFriendsAndZoidberg was changed from "And Zoidberg" (via "Ladies and Alice") after significant statistically verified misuse of the name for any broad use involving "and", with "And Zoidberg" not having much to help it distinguish itself from other "and" tropes except for a very specific show reference.
* MysticalWhiteHair was renamed from "White-haired Pretty Girl" because it fits the trope better, prevents misuse, and makes the trope gender-neutral.
[[/folder]]

[[folder:N]]
* NakedFreakOut used to be "Unmentionable BSOD", implying a connection between the trope and HeroicBSOD that wasn't really evident.
* TheNameIsBondJamesBond used to be called "Surname First Name Surname". It was changed because the use of technical words (forename, surname) made the trope title unwieldy. This is one of the few trope names that was changed from something extremely generic to a specific series reference.
* NarratingTheObvious was "This Just In", which was easily confused for being a {{News Trope|s}}. The latter is now used as such.
* NaughtyNurseOutfit was "Night Nurse" but kept getting confused for a character type instead of a costume trope.
* NestedStory was once "Push Pop Plot" after the Computer Science abstraction known as a stack. Most readers do not know how push and pop operations apply to a stack and so found the title opaque. Of the few who did make a link, some made the link to ''candy'' rather than data structures. One wonders [[TheStoner what a hash table would conjure]].
* NextTierPowerUp was renamed from "Shonen Upgrade" to make it less Japan-centric.
* NeutronBomb was formerly known as "Kill the Poor" (after the DeadKennedys song of the same name). KillThePoor has since been redefined to mean ExactlyWhatItSaysOnTheTin.
* NeverASelfMadeWoman was changed from "Female Success Is Family", due to the sheer amount of people misunderstanding it for AcceptableFeminineGoalsAndTraits, CareerVersusMan, FamilyVersusCareer and other tropes of that ilk.
* NeverLiveItDown was formerly known as "Jean Grey Escalation" -- referring to the fact that Jean Grey's ''one'' ComicbookDeath was blown out of proportion by writers and fans. This same mischaracterization plagued the trope name, with tropers using Jean Grey Escalation as a synonym for DeathIsCheap.
* NeverMyFault used to be "You Blockhead", which referenced the {{Catchphrase}} in ''ComicStrip/{{Peanuts}}'' -- which wasn't always used in conjunction with unfair blame shifting.
* NeverWinTheLottery was "Lottery Ticket", which missed about half the trope.
* NewRulesAsThePlotDemands used to be named "The Catapult Turtle Flying Castle Gambit", named from ''WebVideo/YuGiOhTheAbridgedSeries''. Renamed because the old name was clumsy, hard to remember, and unintuitive. Was first renamed "Screw The Rules, I Have Plot" but renamed again since it had nothing to do with other "Screw The Rules" tropes.
* NightmareFuelStationAttendant used to be "Nightmare Dispenser", and before that it was... NightmareFuelStationAttendant. The first change happened after 1. someone tried to YKTTW a "High Octane Nightmare Fuel Station Attendant" trope (which basically amounted to "NFSA, ''[[Administrivia/TheSameButMore but scarier!]]''") and 2. someone else pointed out that unlike NightmareFuel, NightmareFuelStationAttendant is ''not'' a subjective trope. So divorcing the two only made sense (?). Later it was reverted back.
* NightmareSequence was previously "Nightmare Dreams", considering to be unwieldy with obscurification.
* NoBiologicalSex was formerly "No Gender". It was renamed in order to stop misuse of the trope for situations in which a character has no gender identity, but still has a biological sex.
* NobleMaleRoguishMale was renamed from "Light Masculine and Dark Masculine" to clarify the trope as being distinct from its LightFeminineAndDarkFeminine counterpart.
* NoDeadBodyPoops was once "Bowel Existence Failure", an awkward snowclone of AuthorExistenceFailure.
* NoDelaysForTheWicked used to be "The Trains Run on Time". Changed because it misused the idiom.
* NoExceptYes was originally named "This Is Pest Control" after a ''Series/DoctorWho'' quote. Renamed because it made no sense to anyone outside the fandom.
* NoExportForYou originally bore the LOLCats-ish title "Our Country Is Speshulz". Funny, but hard to remember the exact spelling for, not to mention mistakable for other nationalism tropes.
* NoGearLevel was renamed from "Warring Without Weapons" in order to stop misuse for GoodOldFisticuffs and to deal with underuse.
* NoJustNoReaction was originally named "No Just No". Renamed to make it clear that it is an in-universe trope.
* "Nominal Parody" was once "Parody Failure", and was merged into RedundantParody.
* NonActionSnarker was originally named "The Shelton". It was changed because the character it was named for is from an obscure work.
* NonPoweredCostumedHero was renamed from "Costumed Non Superhero" because the "Non" qualifier wasn't really clear with respect to its meaning in the SuperHero context.
* NonSequiturDistraction used to be named "Forget It, He's Rolling", but was renamed because the original trope title was misleading as it was alluding to the opposite reaction of the one the trope describes.
* NoSidepathsNoExplorationNoFreedom was formerly "Pipe Shooter" (which remains as a redirect). The original name was ostensibly a nickname from Finnish media, but was judged too obscure; also, it was intended to invoke images of the early videogame ''VideoGame//{{Tempest}}'', which is technically not an example but rather a RailShooter.
* NotAlwaysEvil was renamed from "GoodAllAlong", as the latter didn't really entail what the trope meant. It was turned into it's own trope.
* NotGrowingUpSucks was formerly "Can't Grow Up". Too general for the specific trope at hand, and a ptitle to boot.
* NoTimeToThink was originally known as "Red Wire Blue Wire", which led far too many people to confuse it with the WireDilemma.
* NotMakingThisUpDisclaimer was originally [[Creator/DaveBarry I Am Not Making This Up]], which tropers were linking when they were using the phrase to indicate that they, themselves weren't making this up rather than to reference its' use within a work.
* NotNowKiddo had to be renamed from "Not Now Bernard" since it was named exactly after a work.
* NotQuiteForever used to be "You Fail Forever Forever", a snowclone made in error from the You Fail X family -- it was never related.
* NotSoHarmlessVillain used to be simply "Not So Harmless". It was renamed because it sounded far broader than the trope actually is and was used for anything that seemed harmless but wasn't rather than a HarmlessVillain specifically.
* NotSoPhonyPsychic was once "Phony Phony Psychic", which was rather ambiguous.
* NotTooDeadToSaveTheDay was once "Dead Ex Machina", a confusing snowclone of DeusExMachina.
* NotWearingPantsDream used to simply be "Not Wearing Pants". It was renamed because it was being misused for non-dream examples.
* NotWithThemForTheMoney used to be "Gold Burier", an opaque snowclone of GoldDigger.
* NPCRoadblock was originally "Dronejam", a term derived from TheRPGClichesGame that never caught on anywhere, resulting in poor off-site performance.
* NuttySquirrel was originally titled "EverythingsNuttierWithSquirrels", a snowclone of the discredited "Everything's Better With X" family. As with several similarly named tropes, the earlier name encouraged a list of all squirrels regardless of portrayal.
[[/folder]]

[[folder:O]]
* ObstructiveVigilantism was originally "Obstructive Vigilance", and was renamed for greater clarity.
* OfCorpseHesAlive was originally "Weekend at Bernies", a prominent [[Film/WeekendAtBernies cinematic example]] of the trope. As with most tropes which share their name with a work, it was renamed so that the original title could be used for the work itself.
* OffBridgeOntoVehicle was originally "Jump Off A Bridge", which sounded more like JumpOffABridgeRebuttal or like a suicide attempt trope.
* OffscreenInertia was once "Tethercat Principle", a rather obscure name. The porn-specific form "No End In Sight" was also merged there.
* OffscreenMomentOfAwesome was originally called "Missed Moment of Awesome", and took the name of "Epic Fail" even longer ago. The latter was because of conflicting with the more widespread meaning "a complete catastrophe of a failure", which EpicFail is now about. The former was because people kept mistaking it for something they thought would have been awesome.
* OffTheTable was formerly "Pound of Flesh".
* OhGodWithTheVerbing used to be "Oh God, with the Troping!" until it was changed to be a bit more specific.
* OjouRinglets used to be "Princess Curls".
* TheOldConvict was once "The Old Con", which didn't thrive and got confused for TheCon.
* OldCopYoungCop used to be "Somerset and Mills", but was changed because the old name was named after a pair of characters and required knowledge of [[Film/{{Se7en}} a particular movie]] to understand.
* OlderAlterEgo was formerly "Glam of Shazam", named for [[{{Shazam}} the comic that featured a major example]].
* OldFriendNewGender was formerly "Something's Different About You Now", a classical ambiguous StockPhrase.
* OminousOwl was renamed from "Owl Be Damned".
* OmniscientDatabase was renamed from "MagicalDatabase" as the latter was misused for literal magical databases.
* OnceKilledAManWithANoodleImplement used to be "Once Noodled a Man to Death". Turning the murder implement into a verb was judged confusing. Plus it was {{YKTTW}}ed under the current name.
* OneDrinkWillKillTheBaby used to be known as "Alcohol Is Poison". It was renamed because it was being misused as alcohol being poisonous in general instead of being dangerous for pregnant women.
* OneJudgeToRuleThemAll was once "Aoyama Panel Judge", changed to be less obscure to anyone not in the fairly narrow demographic of {{Shoujo}} manga fans.
* OneMythToExplainThemAll was renamed from "One Myth To Rule Them All" as it made the trope hard to find. The new name keeps the ''Literature/LordOfTheRings'' reference.
* OneOfTheKids used to be "Adult Child". It was renamed after people kept confusing it for ManChild.
* OneSceneWonder was originally "Cardinal Wolsey", after such a scene-stealing role.
* OnlySaneEmployee used to be "Liz Lemon Job", which, in addition to being a character named trope, was also incredibly indirect.
* OnlyTheChosenMayWield was formerly "Sword in the Stone". It was renamed in order to encourage broader usage of the trope outside of just swords in stones and to avoid misuse for simple references to KingArthur.
* OnlyThePureOfHeart was renamed from "Nimbus Privileges" for being work dependent (also got used as a redundancy for IncorruptiblePurePureness quite a bit).
* OpaqueNerdGlasses used to be "NerdGlasses"; it was {{Trope Transplant}}ed to make room for the supertrope.
* OpinionFlipflop was renamed from the bad "Like A Weasel", which didn't say anything about the trope.
* OralFixation was renamed from "Oral Fixation Fixation" as the second "fixation" was just redundant.
* OrganizationIndex was renamed from "The Organization" because the former name made it sound like a trope itself rather than an listing of multiple different organization tropes.
* OstentatiousSecret was once "Meghan Box", after a high-profile secret on ''{{Felicity}}''. The name was changed since without the reference the title was opaque.
* TheOtherDarrin was originally "Sister Becky", referring to the ''second'' most well-known instance of the trope (and falling in line nicely with BrotherChuck, which has also been renamed).
* OurGraphicsWillSuckInTheFuture was formerly "We Will Use Micros in the Future", changed because it's not clear what the "micros" in the title are (most people would immediately think microwaves, which is wrong).
* OutlawCouple was formerly "Bonnie and Clyde", but was renamed because it shared a name with the film ''Film/BonnieAndClyde'' and was being used to refer to the people/characters Bonnie and Clyde rather than the trope itself.
* OutOfCharacterAlert was "Something They Would Never Say".
* OutOfGenreExperience was once "Unexpected Genre Change". When the latter was changed to UnexpectedGameplayChange, the former also got changed, presumably to avoid confusion.
* OvernightAgeUp used to be "Thirteen Going on Thirty". It was changed due to being named after [[Film/ThirteenGoingOnThirty a work]].
* OvershadowedByAwesome used to be "The Krillin", named after Krillin from ''Manga/DragonBall''. Character-named trope, and besides Krillin has other defining traits than this one.
* OverusedCopycatCharacter used to be "Drizzt Syndrome", named from the most famous ''TabletopGame/ForgottenRealms'' dark elf. Again, character-based trope name.
[[/folder]]

[[folder:P]]
* PainfulBodyWaxing was once "Wax On, Wax Scream", a SnowClone of a ''Film/TheKarateKid'' meme.
* PaintballEpisode was formerly "Paintball Error". It was renamed because a page of mistakes in media paintball games isn't really a trope, and making those kind of mistakes doesn't happen unless the characters are playing paintball to begin with.
* PairTheSmartOnes was renamed from "Genius Breeding Act" in order to make it clear that the trope is about smart people pairing up rather than situations when some organization or government causes them to do so.
* PaletteSwappedAlienFood was renamed from Green Eggs due to underuse from the unclear name.
* PanUpToTheSkyEnding was "Look Up the Sky Ending". Changed for grammatical incorrectness, since the trope is ''not'' about endings in which someone looks up the word "sky" in the dictionary.
* ParrotExposition used to be "Metal Gearing", which used to be "Prince of Space Sir". ''Film/PrinceOfSpace'' was too obscure, and ''Franchise/MetalGear'' is famous for far more than just repeating stuff.
* PastVictimShowcase was originally "Not Very Pretty Now, Is He?", a dialogue title that had absolutely nothing to do with the trope at all.
* PatientChildhoodLoveInterest was originally "Osananajimi", but was renamed for being too hard to remember (though it may be fun to say while you do), meaning just "childhood friend" with ''zero'' romantic connotations whatsoever (nevermind the other qualifiers) with far too many Administrivia/{{sinkhole}}s with that in mind.
* PendulumWar was originally "One-Sided Battle", but was renamed because the trope is actually a series of alternating [[CurbStompBattle curb stomp battles]]. Consequently, OneSidedBattle was never actually used, and now redirects to CurbStompBattle.
* PercussiveMaintenance was formerly "Fonzarelli Fix" after a ''Series/HappyDays'' character, but revelations of the widespread use of the term Percussive Maintenance in RealLife made the new name far more viable and less dependent on a reference.
* PerfectPlayAI was renamed from "[=MK Walker=]" to discourage non-video game uses of the trope and to clarify its meaning.
* PerilousPowerSource was renamed from "Gorgon Gazing" since it is not about [[{{Medusa}} a deadly stare or one that turns you into stone]] -- though it was originally "Showing Off the Perilous Power Source".
* PeripheryHatedom was formerly "The Barney" after a prominent example: the eponymous character from ''Series/BarneyAndFriends''. Changed to indicate that it was more about an audience reaction than a particular character type. Additionally, wiki trends disfavor "The " trope names, not to mention the possibility for confusion with other characters named Barney (such as the ones from ''WesternAnimation/TheFlintstones'', ''Series/BarneyMiller'', ''Series/HowIMetYourMother'', ''WesternAnimation/TheSimpsons'', and ''Series/TheAndyGriffithShow'').
* PersonaNonGrata was "Banned from Argo". After some discussion, it was changed due to the TropeNamer being obscure and the new name being the technical term for the trope.
* PersonAsVerb was originally "I Pulled a 'Weird Al'". Renamed because this trope wasn't something Music/WeirdAlYankovic was particularly known for.
* PhallicWeapon used to be "Gun In My Pocket". which sounded more like OrAreYouJustHappyToSeeMe than weapons as penis substitutes.
* PhotofloodLighting was once "Hollywood Lightbulb"
* PinkIsForSissies was "Pink Is for Girls", which was easy to interpret as "pink as a girls color" rather than "boys wearing pink getting labeled as effeminate".
* PlanetHeck was formerly known as "Bonus Level of Hell", but was renamed since the original name both implied the subject was always a bonus level (not necessarily) and was getting confused with tropes like ThatOneLevel. For hard bonus levels, the page BrutalBonusLevel was created, which BonusLevelOfHell now redirects to.
* PlanetOfSteves was formerly called "Welcome to Marklar", a reference to an episode of ''WesternAnimation/SouthPark''. Renamed since the more obvious gag with Marklar was {{Smurfing}}, which isn't ''quite'' the same thing.
* PlatonicLifePartners was renamed from "The Straight Will and Grace" due to the old name being confusing and oblique.
* PlayableMenu was once called "Walk Over Here for Options", but was renamed for clarity.
* PlayerPersonalityQuiz used to be "Test of Character", but was renamed in order to discourage confusion with SecretTestOfCharacter, a largely unrelated trope.
* PlayerVersusEnvironment was renamed from "[=PvE=]" in order to remove an acronym, clarify the trope's meaning, and to be consistent with PlayerVersusPlayer.
* PlayfulOtter was formerly "Everything's Wetter with Otters". Like many snowclone titles this one failed to convey any useful information about the trope. The new title gets the gist across.
* PlayingATree was "You Are a Tree, Charlie Brown". Renamed because the old name has a [[ComicStrip/{{Peanuts}} character name]].
* PlayingCyrano was simply "The Cyrano", but in addition to the relative obscurity of the TropeNamer (''Theatre/CyranoDeBergerac'') and a low inbound count, Cyrano was not known exclusively for this trope. The name change made the trope more clear and preserved the reference.
* PlotIrrelevantVillain was "Villain Who Doesn't Do Anything". The new term better reflects the trope.
* PlotPoweredStamina was originally "Marathon Man", but was changed to avoid confusion with [[Film/MarathonMan the novel and film of the same name]].
* PlotTailoredToTheParty was changed from "Eigen Plot" because the trope doesn't really have much to do with the mathematic concept of eigenvectors.
* PlummetPerspective used to be "The Apple Falls Far".
* PolarOppositeTwins was "Different as Night and Day". It was renamed because the original name wasn't clear that the trope only applies to twins and was getting misuse for people who are not twins.
* PolishedPort was formerly "Porting Distillation". The trope name this old name was snowcloned from is a little controversial.
* PolygonCeiling was formerly known as "Sonic Syndrome" after the [[SonicTheHedgehog most prominent example]]. It was renamed because its usage had pretty much just decayed to "JumpingTheShark, Sonic style".
* PompousPoliticalPundit was formerly "Neocon Newscaster" and was renamed because "neocon" means something completely different.
* PopculturalOsmosisFailure used to be called "What Was Whose Sled", a non-obvious sort-of snowclone.
* PornWithPlot was formerly "Plot with Porn", which sounded too much like ExplicitContent and was misleading.
* PortalSlam was renamed from "Portal Splat" in order to reduce confusion of the trope for TeleFrag and TeleporterAccident.
* PortmanteauCoupleName absorbed All Your Names Combined, which was specifically about the FusionDance aspect.
* PoundsAreAnimalPrisons was "Pounds Are Doggy Prison". It was renamed because the trope is not limited to dogs.
* PowerCopying was "Mega Manning". It was renamed because of it being named after a character. Even if the name was known he's a character with many incarnations, something that could lead to confusion.
* PoweredByAForsakenChild was formerly "Soylent Green" (that name now reserved for [[Film/SoylentGreen the film]]), which carried too many connotations of HumanResources. It is worth noting that before some trope derailment, {{Aesoptinium}} was called "Powered by a Forsaken Child".
* PowerLevels used to be "Over Nine Thousand". The latter has long been a redirect, but its destination was changed to ReadingsAreOffTheScale in early 2010.
* PowerupMount was formerly "The Yoshi". Was being shoehorned into ''every'' use of the [[SuperMarioBros Mario]] character even when he wasn't a mount, and had a low inbound count.
* PreApprovedSermon used to be named "Ecumenical Meddling", but was renamed because the word "ecumenical" was being used in very different way from its dictionary and common use definition.
* PreAsskickingOneLiner used to be "Chew Bubblegum", which much later became [[ChewBubblegum its own trope]].
* PreciousPuppy was originally titled "Everything's Precious with Puppies", a snowclone of the discredited "Everything's Better With X" family. As with several similarly named tropes, the earlier name encouraged a list of all puppies regardless of portrayal.
* PredatoryBusiness was "[=VoldeMart=]", but the namer had nothing to do with the trope.
* PreemptiveDeclaration was formerly "Your ____ Is Broken", but very few of the examples used the form "Your x is broken", apart from being completely unindicative.
* PrettyButterflies was originally titled "Everything's Prettier with Butterflies", a snowclone of the discredited "Everything's Better With X" family. As with several similarly named tropes, the earlier name encouraged a list of all butterflies regardless of portrayal.
* PrimalScene was formerly "Oh Kitty", a line from ''Series/That70sShow''. Non-indicative.
* ProductFacelift was originally "Plastic Surgery" and was renamed in order to discourage confusion between it and the kind of plastic surgery that actually could give you a real facelift.
* ProgressivelyPrettier was formerly "Fail Polish", but was renamed because it was non-indicative and might lead people to think it was about someone becoming more ugly or that it was related to stereotypes about people from Poland.
* ProjectileSpell was once "Magic Missile".
* ProlongedPrologue was renamed from "Longest Prologue Ever" due to the latter's negative tone.
* ProphetEyes was originally "Milky White Eyes". It was probably changed since the new name specifically addresses the psychic/prophetic aspect of the eyes, not just having them.
* {{Pseudolympics}} was originally "Ridiculympics". The name was determined to be too narrow and somewhat misleading, as well as a bit awkward.
* PsychoticLoveTriangle was originally "Yandere Love Triangle", was renamed due to the old name being too Japan-centric.
* PunctuatedForEmphasis was renamed from "This! IS! SPARTA!" because the old name is a widespread meme that was prone to [[PotholeMagnet pothole abuse]]. (Also, it never showed up properly since it was a custom title on a ptitled page.)
* PuppeteerParasite was original "The Puppet Masters". Presumably, it was renamed because the latter was non-indicative to anyone who wasn't aware of the TropeNamer.
* PuppyLove was renamed from "Toy Ship" in order to make it objective and because the former is what people outside the wiki call it.
* PurelyAestheticGlasses was formerly known as "Brainy Specs". It was changed because editors keep mistaking characters who wear fake glasses just to look smarter for smart characters who wear them. The latter part eventually has into a more appropriate trope called SmartPeopleWearGlasses.
* PsychologicalTormentZone used to be "Epiphanic Purgatory". It was renamed to make the name less inclusive and more distinct from EpiphanicPrison.
* PsychoSupporter used to be called "Crouching Support Hidden Batshit". Changed to remove the family-unfriendly word.
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