->'''Valerie''': He's afraid. Ever since Prince Humperdinck fired him, his confidence has shattered.\\
'''Miracle Max''': Why'd you say that name? You promised me that you would never say that name!\\
'''Valerie''': What, Humperdinck?\\
'''Miracle Max''': Aaahh!\\
'''Valerie''': Humperdinck! Humperdinck! Humperdinck! ''(et cetera)''
-->-- ''Film/ThePrincessBride''

This trope applies to words and names that when uttered cause a negative reaction on the listener's part, and may even be a BerserkButton. Might be a young person's reaction to an older person being TotallyRadical. It may result from hearing a certain slang term or after a character gives TooMuchInformation--it might even have a potent [[BrownNote psychological effect]]. Regardless of how it arises, the hapless hearer makes it clear to the speaker that this must not happen again.

For instance, for some particularly lazy and/or slobby characters, benign words like "work" and "clean" have been known to cause shivers. This is usually followed by some variation of "don't say that word around me!"

Compare WordsCanBreakMyBones, SpeakOfTheDevil, LamePunReaction, and in more lighthearted variants NoJustNoReaction. Similar to TheScottishTrope, but without all the thunder and curse baggage. This response may be prompted by a NoodleIncident.



[[folder:Anime And Manga]]
* In ''Anime/{{Pokemon}}'', after Brock came back at the end of the Orange Islands arc, mentioning Professor Ivy around him made him huddle in a fetal position and plead "Don't mention that name." [[NoodleIncident It's never explained why.]]
* When Guts meets Griffith again atop the Hill of Swords in ''{{Manga/Berserk}}'' following [[spoiler:his reincarnation]], at one point Griffith brings up the Band of the Hawk, [[spoiler:who the Hill of Swords is a memorial to]], which pisses Guts off big time because Griffith is the reason the original Hawks are no more. He furiously tells Griffith not to speak their names.
* ''LightNovel/SwordArtOnline'': The mere mention of Nobuyuki Sugou has unsurprisingly become a sore spot for Asuna's mother Kyouko, considering he turned out to be a BitchInSheepsClothing who trapped 300 SAO survivors, including Asuna herself, in ALO to perform inhumane MindControl experiments on them, [[AttemptedRape tried to rape Asuna]], and nearly drove her husband's company to bankruptcy when his crimes were made public. When Asuna [[CallingTheOldManOut calls her out]] on trying to set her up on another ArrangedMarriage, reminding her of how badly things went when she chose to make Sugou Asuna's fiancé, Kyouko understandably asks her to never mention him again.

[[folder:Comic Books]]
* Max of ''ComicBook/SamAndMaxFreelancePolice'' would occasionally be annoyed by his partner's use of [[SesquipedalianLoquaciousness big or obscure words]]. See also Video Games.
* In ''ComicBook/SonicTheComic'' we have Nutzan Bolt, who hates the use of the word 'Sonic' so much that it is his BerserkButton.
* Not to mention ComicBook/JohnnyTheHomicidalManiac 's response to 'wacky'.
* Franchise/TheFlash in ''[[ComicBook/JusticeLeagueInternational Formally Known as the Justice League]]''. Fire tells ComicBook/ElongatedMan that Wally once pinched her butt at super-speed and she burned his hands as a result. Later, when Wally laughs at ComicBook/CaptainAtom getting beaten up by a mind-controlled Mary Marvel, Ralph just says "Beatriz [=DaCosta=]" and Wally says "Never mention that name!"
* Skalman in ''ComicBook/{{Bamse}}'' really HATES it when someone tells him to hurry up and consider "hurry" to be the foulest word there is.

* In the ''Fanfic/EmpathTheLuckiestSmurf'' alternate timeline story "Papa Smurf & Mama Smurfette", Papa Smurf marries Smurfette, has a child through her, and gets exiled from the Smurf Village by his little Smurfs. Later he receives word that his little Smurfs in the village, including his son Empath (which he disowns), were all trapped in time delivering a baby dinosaur back home, and all Papa Smurf can say to that is good riddance. Sassette daringly says that maybe Empath was right in that Papa Smurf had stolen Smurfette from his little Smurfs, including Empath, and Papa Smurf gets so upset that he slaps Sassette in the face and shouts, "DON'T EVER SMURF EMPATH'S NAME AGAIN!" This leads to his eventual downfall as all the other Smurfs who were with him finally depart from him.

[[folder:Films -- Animated]]
* ''Disney/TheLionKing'': Scar gives this line to Zazu after the latter brings up (the dead) Mufasa.
-->'''Zazu''': ''(While Scar continues singing)'' Oh... I would never have had to do this for Mufasa.\\
'''Scar''': ''(Quickly and angrily)'' ''What''?! What did you say?!\\
'''Zazu''': Oh, nothing!\\
'''Scar''': You ''know'' the law: Never, ''ever'' mention THAT name in my presence. I... am... the ''KING''!\\
'''Zazu''': Yes, sire. You ARE the king. I... I... Well, I-I only mentioned it to illustrate the differences in your...royal managerial approaches! (''nervous laugh'')
** And later he does the same thing when the hyenas (almost) bring Mufasa up.
-->'''Banzai''': ''(To Shenzi)'' And I thought things were bad under Mufasa.\\
'''Scar''': ''(Quickly and angrily again)'' ''What'' did you say?!\\
'''Banzai''': I said Muf-\\
''(Shenzi is smiling at Scar and [[BeQuietNudge thwaps Banzai]] to remind him.)''\\
'''Banzai''': I said, uh... "[[LameRhymeDodge ¿Qué pasa?]]"\\
'''Scar''': Good. Now ''get out''.\\
'''Banzai''': Yeah...but...we're still hungry!\\
'''Scar''': '''OUT!!'''\\
(''The hyenas quickly flee the cave'')
** And, in [[SelfDeprecation a jab at the widely known theme park ride...]]
-->'''Scar:''' Oh, Zazu, ''do'' lighten up. Sing something with a little... bounce in it.\\
'''Zazu:''' ... * sings* It's a small world aaafter all--\\
'''Scar:''' ''No''! No! '''Anything''' but that!

[[folder:Films -- Live-Action]]
* ''Film/ThePrincessBride'' has the scene quoted above.
** There is also the later scene [[InWhichATropeIsDescribed wherein]] Inigo has [[HeroicSecondWind made his comeback]] against [[YouKilledMyFather Count Rugen]]. After a while, Rugen has had enough of Inigo's CatchPhrase:
-->'''Inigo:''' JustForFun/{{Hello}}! MyNameIsInigoMontoya! YouKilledMyFather! PrepareToDie!
-->'''Rugen:''' ''Stop saying that''!
* ''Film/{{Spaceballs}}'' has a variation of this trope.
-->'''Dark Helmet:''' Go past this, past this part! In fact, never play this again!
* From ''Film/MeanGirls'':
-->'''Gretchen''': That is so fetch!
-->'''Regina''': Gretchen, stop trying to make 'fetch' happen! It's not going to happen!
* ''Film/MontyPythonAndTheHolyGrail'':
** "We want... A shrubbery!"
** The Knights Who Say Ni have this effect by saying... well, [[CaptainObvious by saying "ni"]]. Also used later by the heroes in order to demand the shrubbery requested by the Knights, and also an example of CoolAndUnusualPunishment.
** The only way to defeat the knights is to take advantage of their one weakness -- fear of the word "it". Most people apparently take advantage of this without even realizing it. Oh, I said it again! And again! But strangely, when Arthur asks for the knight's demands, he says "What is ''it'' that you want?" and the Knights don't react.
** In real life, some have this response to having Python quoted at them ''over'' and '''over''' and '''''over''''' [[SeinfeldIsUnfunny again]]...
* One of TheOldestOnesInTheBook: The vaudeville sketch known as "Slowly I Turned" or "The Stranger with a Kind Face", where a key phrase uttered by someone triggers one of the characters into a state of mania.
** The bit was used in Film/TheThreeStooges short ''Gents Without Cents'' - "''NIAGARA FALLS!''"
** Used by Creator/AbbottAndCostello several times, in the films ''Lost In a Harem'' with the trigger word "Pokomoko", and ''In Society'' with the trigger phrase "Susquehanna Hat Company", as well as in ''The Abbott and Costello Show'' on television, using the more traditional "UsefulNotes/NiagaraFalls".
** Creator/SteveMartin does a variant on this routine in the film ''Film/DeadMenDontWearPlaid'' with the trigger phrase "cleaning woman".
** In ''{{Film/Godspell}}'', hearing the teaching to turn the other cheek, Judas whines "Aw, Jesus Chr--" before another apostle shuts him up, but it's enough to send Jesus (and several other apostles) into a "Slowly I Turned" routine.
** Done in ''Series/TheCosbyShow'' with Gilbert Gottfried as a guy whose wife left him for David Letterman, who starts the routine whenever someone brings him up. He ends up taking a job doing the bit on Letterman's show.
** It's used in ''Series/ILoveLucy'' where a bungling of the timing on it leads Lucy to completely screw up one of Ricky's shows...again.
** It also is the basis of the Scatterbrain song [[http://www.youtube.com/watch?v=NbLhHtaVIO4 "Don't Call Me Dude".]]
* In ''Film/{{Passenger 57}}'', the attorney of Charles Rane tells his client that they should have no trouble pleading temporary insanity at his upcoming trial due to his [[StartOfDarkness abusive childhood]]. Rane thanks his lawyer for his legal advice by brutally thrashing him, putting him in a painful hold, and whispering "Repeat after me: [[SayMyName Charles Rane]] is not insane." Rane is portrayed by [[LargeHam Bruce Payne]].
* What about the panicking horses every time someone mentions Frau Blücher in ''Film/YoungFrankenstein''?
** '''''"WHINNY!"'''''
* In ''Film/GalaxyQuest'', Alexander Dane ''hates'' his character's CatchPhrase, leading to this:
-->'''Qwillek''': By Grabthar's hammer, Dr. Lazarus...
-->'''Alexander''': ''Don't'' do that.
** He...[[Heartwarming/GalaxyQuest he gets over it]].
* ''Film/MinorityReport'', when Anderton confronts Director Burgess after Burgess tried to frame him for murder, Burgess made the mistake of mentioning Anderton's murdered son. BerserkButton deployed.
-->"Don't you ''EVER SAY HIS NAME!'' You used the memory of my dead son to set me up! It was the one thing you knew that would drive me to murder!"
* ''Film/TheLoneRanger'': Tonto's reaction to "Hi ho, Silver, away!" is a dead serious statement that he shouldn't do that again.
* ''Film/SergeantBilko'': Bilko comes over faint when Walter uses the word "can't".
* ''Film/EvesBayou'': This is what ultimately leads to Louis' death. Louis and Mrs. Matty Mereaux get caught together at a bar by Matty's husband, Lenny. Lenny warns Louis that, if Louis ever speaks to Matty again, Lenny will kill Louis. When Louis bids Matty a drunken farewell outside the bar, Lenny snaps and shoots Louis dead on the spot.
* In ''Film/OneCrazySummer'', the mere mention of the word "work" is enough to make idle rich snob Teddy clutch his ears in terror.
* [[CloudCuckoolander Coach Keith]] in ''Film/FiredUp'' has this response to anyone mentioning the so-exotically-dangerous-it's-[[InsistentTerminology prohibidado]] move The Fountain Of Troy. Even when he's specifically invited the squad to say the name out loud. Several times.

* The [[http://www.bmsc.washington.edu/people/merritt/books/Eye_of_Argon.html MST3Ked version]] of ''Literature/TheEyeOfArgon'' has a few examples of this.
** A favorite is where Grignr climbs the stairs to their "posterior", where it's incredibly obvious that he's just looked up "bottom" in the thesaurus in the wrong sense.
*** Wait, how do you climb to the ''bottom'' of a staircase?
*** Doubly strange since posterior actually means "rear"
* Detritus in the Literature/{{Discworld}} book ''Discworld/TheFifthElephant'' does this after an {{Uberwald}}ian dwarf calls Cheery Littlebottom "Ha'ak", a dwarfish insult indicating a race/species traitor, "not really a dwarf". Cheery looks hurt, Detritus produces his enormous "Piecemaker" crossbow and growls, "I know dat word he said to her. It is not a good word. I do not want to hear dat word again." This is on a diplomatic mission, remember.
** Well, he ''was'' being tactful.
** Also from Literature/{{Discworld}}, in ''Discworld/ReaperMan'' Ridcully threatens to curse the Dean and have him pursued to the ends of the world by terrible demons if he doesn't stop saying "Yo!"
*** And in ''Science of Discworld III: Darwin's Watch'', Ridcully not only forbids the Dean from saying "Yo!" ''before'' they get all kick-ass, but since they're fighting the Auditors with [[WeaksauceWeakness chocolate]], he cuts the Dean off before he thinks of "Choc and load!" as well.
** Werewolves do not react well to the word "bath." So much so that when Angua takes a shower, she has to pretend it's raining.
*** Vimes, forced to deal with werewolves in ''Discworld/TheFifthElephant'', reasons that being halfway between a human and a wolf a werewolf would have some characteristics of the other creatures halfway between humans and wolves: dogs. He tests the hypothesis by gauging werewolves' responses to words guaranteed to make a stereotypical dog wince, like "bath" and "vet", and later takes advantage of his findings by [[spoiler:forcing the werewolf BigBad into a deadly game of Fetch with a giant signal flare]].
** In ''Discworld/MenAtArms'' Big Fido (the leader of the dogs guild) does not like Gaspode's ability to speak human and give dog commands (which the dogs respond to) and reacts badly when Gaspode uses his power
** Almost every book contains some example of this trope which often overlaps with the BigBad or BigGood's berserk button (Granny Weatherwax has her Grandmother Alison Weatherwax, Vimes has any talk of Kings, etc.)
* In the novel ''[[Literature/NineteenEightyFour 1984]]'', when the Party makes someone disappear, that person becomes an "{{unperson}}." All references to the person are removed from all documents, posters, etc, and people may not reference that person again, since, in the Party's eyes, the person does not and never did exist.
* Literature/HarryPotter
** Volde, er, He Who Must Not Be Named. {{Exploited|Trope}} in the last book, where it turns out that [[spoiler: after Voldemort took over the Ministry of Magic, he put a trace on his name such that anyone saying it could be tracked instantly, allowing him to find those who aren't afraid of him. Meaning that, for the first time, there was a ''real danger'' in speaking the name or hearing the name spoken aloud]].
** In the same book, Harry orders his house-elf, Kreacher, to never call Hermione a [[FantasticSlurs "Mudblood."]]
** In ''Literature/HarryPotterAndTheOrderOfThePhoenix'', [[TheBully Dudley]] doesn't quite realize just how much of a sore spot he's prodding when he mimics Harry when he was having graveyard nightmares. Harry's response is to nearly curse Dudley into jelly and growl, "Don't ever. Talk. About that. Again. ''Do you understand me?''"
* Creator/DanielPinkwater's ''Young Adult Novel'':
-->"That will cost you forty cents," said the Honorable Venustiano Carranza (President of Mexico). "Pay each Wild Dada Duck ten cents for saying 'life-style.'"\\
There are fines for saying certain words -- such as life-style. If a Wild Dada Duck should say, "Have a nice day," it can cost him five dollars.
* In ''Literature/TheLordOfTheRings'', at the Council of Elrond, Gandalf recites the inscription on the [[ArtifactOfDoom Ring]] in BlackSpeech. After a stunned silence, Elrond speaks, "Never before has any voice dared to utter words of that tongue in Imladris," and Gandalf answers, "And let us hope that none will ever speak it here again," using it to point out that he may only be the ''first'' and they had better get to work on preventing that.
* In the ''Literature/XWingSeries'', Warlord Zsinj is offended by the name "[[NewNeoCity New Oldtown]]". As his [[TheDragon Dragon]] is making a report about an agent who is pretending to be from there, he interrupts each time the town's name is said. "Surely you're joking about that name." "You're sure he didn't destroy it because of that name." and "Don't ever say that name again. It annoys me." After that, his second-in-command calls it the "[[TheScottishTrope hometown-whose-name-is-nevermore-to-be-said.]]"

[[folder:Live Action TV]]
* ''Series/GameOfThrones'': Tyrion and Tywin on using the word "whore" to describe Shae. Tyrion keeps his word.
* In ''[[Series/SquareOneTV Mathnet]]'', there's an episode where the detectives visit a mansion for a "Mystery Weekend", and the owner introduces himself as "Peeved". "I'm a little ticked off, myself," George says. Later, when Pat sees him unexpectedly:
-->'''Pat:''' You're not George.
-->'''Peeved:''' No. I'm Peeved.
-->'''Pat:''' I'm a little ticked off my--
-->'''Peeved:''' Don't run that line again.
* The Doctor does it to himself in ''Series/DoctorWho'': "Correctamundo! A word I've never used before and hopefully never will again."
** More examples: Rose trying on a Scottish accent in "Tooth and Claw", Martha attempting [[YeOldeButcheredeEnglishe Elizabethan]] speech in "The Shakespeare Code", and Donna's attempt at sounding posh in "The Unicorn and the Wasp". Each time, the Doctor winces and tells them never to do that again.
*** Also repeated in the animated Doctor Who serial The Infinite Quest, when Martha attempts to match the Doctor's 'pirate captain, arrrrr...' persona.
*** And then in ''Series/TheSarahJaneAdventures'', there's a remarkably similar exchange between Sarah Jane and Maria in "Warriors of Kudlak", when Sarah Jane uses a slang word she heard for the first time earlier in the episode.
** The Doctor's "Don't do that. Really, don't" is fast approaching a CatchPhrase. It's used again in "Midnight", [[spoiler:only this time played seriously]].
** The Doctor once again does this to himself in "The Eleventh Hour":
--->'''Doctor''': [[TotallyRadical WHO DA MAN]]? ''[beat]'' I'm never saying that again.
** Similarly, from the same episode,
--->'''Amy''': You're worse than my aunt!
--->'''Doctor''': "I'm the Doctor, I'm worse than everybody's aunt. And that is not how I'm introducing myself.
** And again, in 'The Almost People'. (Wow, the show likes this trope). The Doctor and his identical clone (long story) are trying to stop a war. The Doctor says 'wowza'.
-->'''Amy''': ....yowza?
-->'''Ganger!Doctor:''' Do we tend to say yowza?
-->'''Doctor:''': That's enough, let it go. Okay ? We're under stress !
* From ''Series/DharmaAndGreg'':
-->'''Dharma:''' Your mother is a sexual volcano, waiting to erupt.
-->'''Greg:''' OK, new rule: We never use the words 'mother', 'sexual', or 'erupt' in the same sentence.
* From ''Series/ArrestedDevelopment'':
-->'''Tobias''': It seems I prematurely shot my wad into what I thought was a dry run and now I've got a bit of a mess on my hands.
-->'''Michael''': There are just so many poorly chosen words in that sentence.
* A preemptive variant from ''Series/PushingDaisies'':
-->'''Emerson''': We are giant, enormous idiots. And don't you say "ginormous," 'cause that ain't a word.
* ''Series/WillAndGrace'':
-->'''Will''': Good. Oh, um... Grace, keep Sunday and Monday open.
-->'''Grace''': Okey-dokey, arti-chokey.
-->'''Will''': And never say that again.
* ''Series/StargateSG1'' had this while hanging a lampshade on the series' [[WhosOnFirst nonstop Yu puns]].[[note]]Though, no such puns are ever actually made on camera. In the below quote Weir was asking "Yu?" because she was surprised he would be attending due to suffering of sever senility. Ba'al (pronounced ball) on the other hand gets many jokes, often to his face.[[/note]]
-->'''Weir''': Yu?
-->'''Jackson''': Don't. Every joke, every pun, done to death. Seriously.
* John Sheppard in ''Series/StargateAtlantis'' could possibly be a version of this with 'We'll name it later'. Used at least twice in response to naming of the Puddlejumpers and the Lifesigns detector by [=McKay=] and Lt. Ford respectively.
%%* A running gag in an episode of ''Series/YesDear''.
* From ''Series/{{Buffy|TheVampireSlayer}}'':
-->'''Xander:''' Hey, G-man!\\
'''Giles:''' Nice to see you Xander, and don't ever call me that again.
* From the last season of ''Series/{{Angel}}'':
-->'''Cordelia:''' Remember how I said, "Let's not have your department looking for those symbols I saw in my vision. Let's do this like we used to, you and me cracking the books?"\\
'''Wesley:''' Yes.\\
'''Cordelia:''' Well, that was dumb. What'd you ever listen to me for?\\
'''Wesley:''' I don't know. I think I sort of missed this. You and me and the books, kicking it old school, as they say... and I never will again.
* In ''Series/TheManyLovesOfDobieGillis'', the beatnik Maynard G. Krebs had an involuntary high-pitched reaction to the word "work", no matter the context in which it was used: "Nah, it'll never work." ''"Work?!!"''
* When Cat, Lister and Kryten are trapped together in a quarantine bay in ''Series/RedDwarf'', the others discover that Kryten's BerserkButton is being called "tetchy".
* One sketch of ''Series/TheKidsInTheHall'' had Bruce's character scolded for using the word "ascertain" on the job a little too much.
* Lisa in ''Series/NewsRadio'''s "Sweeps Week" episode threatens to strangle Dave if he says "apparently" one more time.
* In ''Series/BlackBooks'', Fran and Manny have just convinced Bernard to attend a party with them. This exchange occurs when going out the door:
-->'''Manny:''' Let's par-
-->'''Bernard:''' ''Don't you dare use the word 'party' as a verb in this shop!''
* From ''X-Play'', specifically "Bob and Steve" (a ''VideoGame/SplinterCell'' {{Machinima}}):
-->'''Bob:''' Porn doesn't just magically appear, Steve. Someone put it there. And if it was ''my'' porn, it would star your mother!\\
'''Steve:''' Never. Talk. About my mother. Again.
* ''Series/MontyPython''
** A character in [[http://www.youtube.com/watch?v=T70-HTlKRXo a particular sketch]] screamed and cried whenever someone said the word 'tinny'.
** [[http://www.youtube.com/watch?v=mpn1anVPZsc Another sketch]] featured two newlyweds trying to buy a new bed after having been warned never to say the word "mattress" to the salesman.
** [[http://www.youtube.com/watch?v=BtM95-SpthE# Yet another sketch]] features the word Semprini (the surname of a British pianist famous on BBC at the time of its original airing) lumped in with a lot of other words that would be used only for "cheap laughs".
* Matthew Perry on ''Series/TheDailyShow''
-->'''Jon Stewart:''' I apologize for sucking. We just got back and I'm new to this...
-->'''Matthew Perry:''' Please don't ever say "I apologize for sucking" to me again.
* ''Series/PowerRangersRPM'' has this in one of the first episodes, when one of the new recruits refers to the season's mentor and TechnoWizard, Dr. K, as "Doc". Dr. K objects to being called that, and tells them not to do it again. They don't listen, and it's never objected to again.
** K also has a ''very'' poor reaction when the Ranger suits she invented are referred to as "spandex". "Tights" is an acceptable substitute.
* One episode of ''Series/MysteryScienceTheater3000'' has the guys watching a 1950s hygiene movie, with Mike reacting this way when the narrator refers to underwear (especially since [[{{Squick}} he's talking about fifth-grade children]]).
** While riffing ''Film/PumaMan'', Crow responds to the on-screen question "But why does [[BigBad Cobras]] want [[MacGuffin the mask]]?" with "So he can be [[Film/TheMask SSSSSSSMOKIN']]!"; Mike very sternly tells him "Never...EVER...do that again."
* On ''Series/TheWestWing'', the forbidden word is "recession" and a number of characters are reprimanded for using it. In one episode, Leo instructs Margaret to call a meeting about recession the "robust economy meeting," while in a later season it's humorously referred to as "bagel".
** Also Sam implying that they should [[TemptingFate assume they're going to win]] an election that's still going on, and, hilariously:
--->'''Charlie:''' ''[reading a movie synopsis]'' It's an updated version of Dostoyevsky's ''The Idiot'' which tells the story of a [[MessianicArchetype Christ-like]] [[InspirationallyDisadvantaged epileptic]] young man who [[BreakTheCutie embodies goodness, but encounters sex, crime, and family dysfunction]].\\
'''Mrs. Landingham:''' Hard to imagine why you didn't think the President would enjoy that, Charlie.\\
'''Charlie:''' Well, he would have especially enjoyed the scene where the Prince Myshkin character has a seizure while engaging in an erotic fantasy in a Long Island church.\\
'''Mrs. Landingham:''' Charlie, please don't say the word "erotic" in the Oval Office.\\
'''Charlie:''' I'd be perfectly happy never to say any of those words anywhere ever again.
%%* ''Series/HowIMetYourMother'': Moist.
* ''Series/MadMen'', the scene where Roger un-fires Pete and guarantees his future cooperation by spinning him a story about how Don fought to give him a second chance:
-->'''Roger:''' Now, I know your generation went to college instead of serving, so let me illuminate you: this man is your commanding officer. You live and die in his shadow. Understood?\\
''[Pete nods frantically; Roger and Don go to leave]''\\
'''Pete:''' I won't let you down, Don!\\
'''Roger:''' Jesus! Campbell! Don't ever say that! ''[shakes his head disgustedly and leaves]''
* In one episode of ''Series/{{Scrubs}}'', Dr Cox explains that all his interns are on a time out, because one of them used the phrase "Let's rock and roll!" In a later episode, when Carla is trying to help him work out why he hates one of the ''new'' interns, one of her guesses is "Did he say 'Back in the day'?"
* ''Series/GilmoreGirls'': On Paris' relationship with the much older Asher Fleming:
-->'''Rory:''' My grandfather introduced you to him. Do you see how awkward this is for me?
-->'''Paris:''' Well, hot men tend to run in packs.
-->'''Rory:''' Do not ever say anything like that again.
* On ''Series/BabylonFive'', the [[SufficientlyAdvancedAlien Vorlon and the Shadows]] each have a question that sort of defines them, and their interactions with other races. Sheridan, while berating Kosh, unknowingly asks the Shadow question. [[BerserkButton Kosh is]] not pleased.
-->'''Sheridan:''' What do you want!?\\
'''Kosh:''' ''Never'' ask that question.
* ''Series/ABitOfFryAndLaurie'' has the veterinary-scetch:
-->'''F''': ''And I make myself a cheese and tomito toastie.''
-->'''L''': ''A what? Cheese and what?''
-->'''F''': ''Tomito. Tomito. Tomito.''
-->'''L''': '''Tomato.'''
-->'''F''': ''Tomito. Tomito.''
-->'''L''': ''Don't say it again.'' (well, he does so anyway)
* Regarding an ex-couples matching tattoos on ''Series/HappyEndings''
-->'''Alex''': You want to get your tattoo removed so you can be a puh-lay-ah?
-->'''Dave''': Don't say "player".
-->'''Alex''': I regretted it almost immediately.
* ''Series/{{Bones}}''; in "The Double Death of the Dearly Departed", when Brennan and Booth attend a funeral and Brennan informs Booth that the deceased was murdered, Booth, in order to avoid a panic among the mourners, told Brennan not to say 'murdered', and instead substitute with the code word '[[DeadlyEuphemism translated]]'.
* In ''Series/{{Fringe}}'', after Walter starts expounding on the number of mammary glands found in various species:
-->'''Peter''': God, I hope I never have to hear him say the word "nipple" again.
* ''Series/TopGear'':
-->'''Clarkson''': How Hard can it be?
-->'''Hammond''': Don't say that!

[[folder:Newspaper Comics]]
* ''ComicStrip/{{Peanuts}}''
** Lucy has a bad reaction to the name "Beethoven" in [[http://www.gocomics.com/peanuts/1957/10/11 this]] strip.
** As does Charlie Brown with the word "baseball" in [[http://www.gocomics.com/peanuts/1960/08/20 this]] strip.
** And Sally with the word "kindergarten" in [[http://www.gocomics.com/peanuts/1962/09/04 this]] strip.
* In ''ComicStrip/{{Zits}}'', this is Jeremy's reaction to most of Walt's attempts to use modern slang.

[[folder:Tabletop Games ]]
* Before the events of the ''Literature/HorusHeresy'' in the ''TabletopGame/{{Warhammer 40000}}'' universe, two entire legions were stricken from the records for unspecified but apparently terrible infractions. In every piece of media where the two missing legions are brought up by their brother primarchs, the conversation is quickly curtailed with something along the lines of "we swore we would never talk of that" before [[NoodleIncident any details are disclosed]].

[[folder:Video Games]]
* Never call the main character of ''Witch Hunt'' a witch. In fact even the stat screen covers over the 'W' in skills like 'witchcraft' and words like 'swtich'
** That poor poor goblin that [[https://www.youtube.com/watch?v=0wvhBEYGEGw offered her a sandwich]], after her warning about the word witch.
* In ''VideoGame/{{Sacrifice}}'', Eldred utters this in response to a truly ''awful'' pun made by [[DeadpanSnarker Zyzyx]] concerning a wizard made of living rock.
-->'''Zyzyx:''' Now Graccus there is none too quick on his feet. It may be because he leads such a... ''Sedimentary'' lifestyle.\\
'''Eldred:''' ...''Never'' say that again.
* This is used in the ''[[VideoGame/SamAndMaxFreelancePolice Sam & Max]]'' series of games as well as comics. Consider this exchange from ''Sam and Max Hit the Road'':
-->'''Sam''': I really respect Flint's business acumen.
-->'''Max''': Sam, please don't use the word 'acumen' again.
** Try repeating the word "Them" to [[ConspiracyTheorist Bosco]]...
** Max really dislikes anyone who plays with the word "Banang".

[[folder:Visual Novels]]
* In ''VisualNovel/StrawberryVinegar'', after Licia requests her pancakes with lots and lots of chocolate on them:
-->'''Dad:''' Of course you can. Your wish is my command, Milady.\\
'''Rie:''' Don't say that. It makes you sound like a creep.

[[folder:Web Comics]]
* In ''WebComic/EightBitTheater'', Black Mage gets disturbed by Red Mage's constant usage of [[http://www.nuklearpower.com/2005/08/16/episode-587-penetrating-research/ "Probing"]] and [[http://www.nuklearpower.com/2009/06/16/episode-1141-how-deep-does-the-a-hole-go/ "A-Hole]]" (the latter is about a portable hole, BTW).
-->'''Red Mage:''' So deep are we (within my A-Hole) that Sarda will '''never''' find us no matter how thoroughly or how vigorously he probes. My A-Hole.\\
'''Black Mage:''' Can you say things without '''talking'''? Is that... Can we '''do''' that? Please?\\
'''Red Mage:''' What's wrong? All I'm saying is that we're deep, '''deep''' in my A-Hole.\\
'''Black Mage:''' Stop using that word!
* One ''Webcomic/{{Achewood}}'' strip has a [[http://achewood.com/index.php?date=11052007 word-of-the-day speaking toilet]] which comes up with the words "Oralingus" (kissing with the mouth) and "Burritolingus" (eating a burrito with the mouth). The first one makes Teodor comment "That just makes kissing sound twisted! There's no need for that word!" and the second one just makes Ray collapse muttering "I am SO sorry".
* In ''Webcomic/DorkTower'', there's the reaction people have to hearing the name of the fourth Batman movie (from the series Tim Burton started).
* ''Webcomic/TheOrderOfTheStick'' in [[http://www.giantitp.com/comics/oots0019.html this]] comic:
-->'''Elan''': Hey, how was I supposed to know he ain't a playa?\\
'''Belkar''': Never say "playa" again.
** And in [[http://www.giantitp.com/comics/oots0045.html this one]]. Really, Roy was asking for it.
* ''Webcomic/PennyArcade'' has a rather...[[LawOfDisproportionateResponse over-the-top]] version of this one, regarding [[http://www.penny-arcade.com/comic/2006/4/10/i-hope-you-like-text/ Gabe's insistence]] that [[OlderThanTheyThink Games Workshop is ripping off Blizzard]].
* In ''Webcomic/QuestionableContent'' [[http://www.questionablecontent.net/view.php?comic=569 here]]:
-->'''Dora:''' Goddammit it feels really weird to be discussing this with you.\\
'''Faye:''' Haha, doesn't it? It's like talking about blowjobs with your mom.\\
'''Dora:''' Please never use these two words in the same sentence ever again.
* In ''Webcomic/RPGWorld'', Jim, the guy who plays ''[=RPGWorld=]'', has a friend that will often pull this trope on him, in the form of "If you ever (insert annoying action here) again, I will kill you.". [[http://rpgworldcomic.com/d/20030903.html Taken to rather humorous heights later on]].
* ''Webcomic/SchlockMercenary'':
-->'''Tagon''': Never, ''ever'' refer to A.I. connection as "brain-on-brain action" again.\\
'''Ennesby''': Can I still say "hot-swap"?\\
'''Tagon''': Only to yourself.

[[folder:Web Original]]
* Similar to the ''Series/DoctorWho'' example above, Bree Avery does this to herself in the ''WebVideo/{{lonelygirl15}}'' episode "Training Hard": "Did I really just say 'crazy mad props'? God, what is wrong with me?"
* ESPN's [[Creator/TheSportsGuy Bill Simmons]] does this with the Oklahoma City Thunder (aka "The Team That Shall Not Be Named"), to the point where on some of his podcasts he has instructed producer Joe Mead to bleep out the guest saying "Oklahoma City" or "the Thunder" in reference to the team. This is done as a service to the people of Seattle (and decent NBA fans everywhere) who had to deal with Clay Bennett buying the team, promising to keep it in Seattle, all while planning all along to move it to Oklahoma.
* In ''Machinima/RedVsBlue'', [[CloudCuckooLander Caboose]] says that he and [[StraightMan Agent]] [[BrokenBird Washington]] have a lot in common. Wash takes exception.
-->'''Agent Washington''': [[FunnyAneurysmMoment No, we don't.]] And don't ever say that again.
* ''Podcast/MuggleCast'': "That word is now officially banned from Muggle Cast." "What, whack?"
* In the ''WebAnimation/StrongBadEmail'' "lady fan", after Strong Bad fails to do even a single push-up, Homestar shows up dressed as an aerobics instructor and offers to help Strong Bad "twees it out" and get back into shape.
-->'''Strong Bad:''' I'm gonna go ahead and need you to never say "twees it out" ever again.
* ''WebVideo/SwordArtOnlineAbridged'': Sachi dies due to her lag freezing her up, her last words being "it's not your fault". Except she glitches up so Kirito is forced to hear her repeating "yourfaultyourfaultyourfault" before she shatters. From that point on, any heroism from him is triggered (along with a Sachi flashback) by anyone saying "fault". He catches onto it, silencing Lisbeth before she can actually say the words while crying (which she misinterprets as his not wanting her to bring up painful memories).

[[folder:Western Animation]]
* A case of "Never say that that way again" from ''WesternAnimation/Ben10UltimateAlien'', [[TheStoic Kevin]] has an annoyed response to Sensitive!Ben singing his TransformationNameAnnouncement:
-->'''Humongosaur''': ♪ Humongousaur! ♪\\
'''Kevin:''' Never do that again.\\
'''Humongousaur:''' Just trying it out.
* Another case of Never Say That That Way Again occurs in the [[WesternAnimation/SupermanTheAnimatedSeries 1990s animated]] ''Franchise/{{Superman}}'', Supes [[IdentityImpersonator has to impersonate]] Franchise/{{Batman}} for an episode. Robin wonders how he does that perfect Batman voice.
-->'''Super(Bat)man''': Precise muscle control. Plus (now in Robin's voice) I have a pretty good ear.\\
'''Robin:''': Don't. Do that. Again.
* From an episode of ''WesternAnimation/PinkyAndTheBrain'' which prominently featured ''Series/TheHoneymooners'':
-->'''Pinky''': Bang! Zoom!\\
'''Brain''': Stop saying that, Pinky, or I shall have to hurt you.
* In ''WesternAnimation/TheFairlyOddParents'' episode that introduced Chip Skylark, towards the end Timmy exclaims [[TotallyRadical "Word!"]] only for Chip to flatly respond, "Don't say that."
* ''WesternAnimation/TransformersAnimated'': "Megatron...?! Did you just say Megatron?! Did he just say ''MEGATRON?!'' THERE IS NO MEGATRON! MEGATRON IS OFFLINE! TERMINATED! [[TheStarscream I DID IT MYSEL--saw it myself."]]
* ''WesternAnimation/TeenTitans'' gives us this:
-->'''Cyborg''': [[CallForward Okay, I'm only going to say this once... Booyah.]]
** Naturally, that becomes his CatchPhrase.
* ''WesternAnimation/StaticShock'', from "They're Playing My Song":
-->'''Sharon''': ''(pounding on the bathroom door)'' Virgil [[EmbarrassingMiddleName Ovid]] Hawkins, get your ashy butt out here right this minute!\\
'''Virgil''': ''(opens the door, having just finished showering)'' Sharon, my middle name is ''never'' to be spoken aloud. You know that. ''(slams the door)''
* On ''WesternAnimation/FamilyGuy'' when Stewie [[MyFutureSelfAndMe meets his future self]] who calls his parents mommy and daddy.
-->'''Stewie''': Never call them that again! [[InsistentTerminology It's Lois and the fat man!]]
* In the ''{{WesternAnimation/Futurama}}'' episode "Roswell That Ends Well", thanks to TimeTravel Fry gets to meet his grandfather Enos in 1947 Roswell, New Mexico. On meeting his future grandmother he tells Enos:
-->'''Fry:''' She sure is pretty. You ought to marry her and father some children, right away.\\
'''Enos:''' Yeah, folks say that. But did you ever get the feeling you're only going with girls 'cause you're supposed to?\\
'''Fry:''' (''Beat'') WHAT!? [[GrandfatherParadox Don't ever, ever say or think that again!]]
* In the ''WesternAnimation/KimPossible'' episode "Cap'n Drakken", Dr. Drakken is [[APirate400YearsTooLate possessed by a pirate ghost]] and starts [[TalkLikeAPirate talking like one]]:
-->'''Drakken:''' Aye. Set the mainsail, wench.\\
'''Shego:''' Okay, first of all we don't have any sails. Second of all, call me "wench" again and we'll be planning a ''burial at sea''.\\
'''Drakken:''' ''[nervously]'' Yearr. Arrgh.