Website/YouTube, being a popular video site, is unsurprisingly rife with {{Memetic Mutation}}s.

Many instances, though, are drawn from other meme sources. For example, the AllYourBaseAreBelongToUs video, while on the site, didn't originate there. But some did.

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'''Please add entries in the following format:'''
* The meme. [=[[labelnote:Explanation]]The explanation behind the meme.[[/labelnote]]=] [[labelnote:Explanation]]Like this.[[/labelnote]]

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!Examples:

!!Video types

* YouTubePoop. Effectively, a very chaotic and strange outgrowth of people uploading their video editing practice runs. Nowadays, the cheap effects characteristics of programs like Windows Movie Maker are used for comedy. Videos are spliced, slowed down, sped up, repeated, and otherwise edited for no apparent reason. YTP is an entire set of memes itself, including:
** [[SoundtrackDissonance Unfitting music]] set to a scene (subverted with "fitting music", "somewhat fitting music", and the like)
** "X minutes of... ([[OverlyLongGag Repeating a scene for a length of time]])".
-->"I demand a ten-hour version."
--->Stock [=YouTube=] comment.
** Forward-backward word splices like "sus" and "joj".
* People attempting to dance to some well-known dance video.
* The ever-present {{Caramelldansen|Vid}}.
* The [[CurseCutShort WTF-bomb]] (or WTF-boom): a beeping noise accompanied by a voice saying "WHAT THE F-", followed immediately by video of an atomic bomb explosion, with explosion audio overlain with a MadScientist's EvilLaugh. Formed from a composite of sounds from sources such as ''VideoGame/{{Counter-Strike}}'' and ''{{Mega64}}'', and widely considered to be an OverusedRunningGag on places like Website/SomethingAwful. The earliest instances of WTF bomb can be seen in Website/{{YTMND}}.
* Editing the [[HolyShitQuotient jaw-droppingly]] [[SugarWiki/MomentOfAwesome famous]] [[TheOner oner]] from Tony Jaa's ''Tom Yum Goong''/''The Protector''/''Film/OngBak''/''Warrior King'' with sound clips from videos games. Kajmaster Kajet (best known as the progenitor of the infamous '''''[[Anime/DragonBallZ OVER]] [[PowerLevels 9000!!!]]''''', "[[Anime/DragonBallZ The balls are inert]]", and '''[[Anime/MobileSuitZetaGundam ZETA PUNCH]]''' [[MemeticMutation memes]]) [[FollowTheLeader did it first]] with [[http://www.youtube.com/watch?v=Kk0kufx74Io Terry Yum Goong]] (''VideoGame/FatalFury'''s [[TheHero Terry]] [[BoisterousBruiser Bogard]], with voices mainly from ''[[VideoGame/CapcomVsSNK2MarkOfTheMillennium Capcom vs. SNK 2]]''), but there have also been versions based on ''VideoGame/StreetsOfRage'' ([[http://www.youtube.com/watch?v=JldcdLmOKHQ Streets of Goong]]), ''VideoGame/GodHand'' ([[http://www.youtube.com/watch?v=lGD7MEJSf20 Gene Yum Goong]]), ''VideoGame/TeamFortress2'' ([[http://www.youtube.com/watch?v=Z1oazz73z90 Scout Yum Goong]]), and ''Franchise/DevilMayCry'' ([[http://www.youtube.com/watch?v=wHWPssIr0PA Dante Yum Goong]]). It's baffling that there's not a [[Franchise/StreetFighter Dan Yum Goong]] out there somewhere.
* The "[[Film/BrokebackMountain Brokeback]] Whatever" parodies on [=YouTube=]--from ''[[http://www.youtube.com/watch?v=8uwuLxrv8jY Brokeback to the Future]]'' to ''[[http://www.youtube.com/watch?v=omB18oRsBYg Star Wars: The Empire Brokeback]]'' to... well, you can look around. There's a ''lot'' of them, and most of them are surprisingly funny.
* The ''WesternAnimation/FamilyGuy'' Video meme has Peter Griffin, in a parody of ''Film/TheRing'' watching a video cassette after being warned (the video in question is ''{{Mannequin}} 2'', in case you were wondering). Cue a video edited by the [=YouTuber=], then cue back to Peter lying on the ground with an agonized face while the sound is still playing.
* ''WebVideo/HitlerRants'': Numerous videos of UsefulNotes/AdolfHitler during a certain scene in the film ''Film/{{Downfall}}'', (where he lays out new deployments to defend Berlin from the advancing Allies, only to be hesitantly told by his commanders that they just don't have the forces left to do it) has been [[GagSub changed]] to alternately-dubbed scenes where he conveys his [[GodwinsLaw hatred and distrust]] of everything from video game consoles to films to politicians to music, and everything in between.
** [[http://www.youtube.com/user/hitlerrantsparodies There is an account devoted entirely for creating these videos]].
* [[{{Rickroll}} A million videos featuring a particular song by Rick Astley which happen to be grossly mislabeled]].
* Videos using a feature in Microsoft Songsmith whereby the creator feeds in a vocal track and lets the computer generate music to go along with it. [[http://www.youtube.com/watch?v=mg0l7f25bhU&feature=related This doesn't go well.]]
* [[Franchise/StreetFighter Guile]]'s [[SugarWiki/AwesomeMusic theme]] [[MundaneMadeAwesome goes with everything]].
** Of course, this lead to one hell of a meta-meme with it was discovered that Guile's Theme goes with everything... ''including'' [[http://www.youtube.com/watch?v=P7OrY4RCRuM Guile's Theme itself.]]
** Alternatively, "''{{The Fresh Prince of|BelAir}}'' [insert work name here]", which is the same as [[Memes/StreetFighter Guile Theme goes with everything]], only using the theme song to ''The Fresh Prince of Bel Air''. It turns out that the two memes are compatible, resulting in one of the greatest mash-ups in music history.
** Lately, a similar group of videos have appeared, known as [[http://www.youtube.com/watch?v=ASOHCJ9FO-E Fly Away Now goes with everything.]]
** And now [[http://www.halolz.com/2012/03/27/video-grooses-theme-goes-with-everything/ Groose]].
** "'''Everybody''' get up, it's time to slam now. [[Film/SpaceJam We've got a real jam going now]], Welcome to the" apparent successor to the ''Fresh Prince''. Probably got meshed with ''Videogame/BarkleyShutUpAndJamGaiden'' somewhere along the line though, as most vids have his pic instead of Jordan's. [[http://www.youtube.com/watch?v=yH_iEw-gth8 It has passed the "Family Man" test]] ''[[SpringtimeForHitler despite]]'' the vid maker's best efforts.
** And now NicoNicoDouga and [=Youtube=] are on a quest to prove that [[Music/SoundHorizon "Guren no Yumiya"]], the opening theme to ''Manga/AttackOnTitan'', can make anything awesome - up to and including [[http://www.youtube.com/watch?v=wLImJOIl2D8 4chan posts unsuccessfully attempting to claim otherwise.]]
* Nyan Cat, some sort of pop-tart cat that flies through space leaving a trail of rainbow while singing "Nya Nya Nya" has become popular in websites like [=YouTube=] and DeviantArt. [[http://www.youtube.com/watch?v=QH2-TGUlwu4 Original Video can be found here]].
* Song Videos.
** Just An Image And A Song: These are the type of song videos that are the most likely to be removed for copyright violations. Some don't even bother with an image, and just upload an audio-only blank video.
** Lyrics Videos: This is another common type of song video, and are slightly more creative than those of the JAIAAS variety.
** Photo/Video Collages: The most creative type of song videos that put together a series of images and/or video clips set to music. Some are them are even "tribute" videos. These song videos are the least likely to be removed for copyright violations.
* Time lapse videos are popular, the most popular being one showing a [[http://www.youtube.com/watch?v=ejbNVWES4LI girl aging from infancy to her tween years]]. A variant shows a specific type of change within a period of time; most commonly something related to hair, weight, or gender.
** A fun subversion is doing the same thing but with an object, such as an action figure, that does not change in appearance over time.
* "WASTE X SECONDS OF YOUR LIFE": A short video, usually around 3 seconds, of some pointless sound clip. [[ExactlyWhatItSaysOnTheTin What were you expecting?]]
* 10 hour videos of Memes have become popular.
* Around the start of 2012 a lot of videos parodying the AMV [[http://www.youtube.com/watch?v=wx6_MWVHZ4g "When I'm Bored"]] started popping up.
* "(X) In G Major". It's essentially making a normally friendly sounding thing (typically a song) into something horrifying (or an ear sore depending on who you ask) by changing the pitch, adding multiple layers of different pitches, and making the image of the video negative. Compare the regular [[http://www.youtube.com/watch?v=FUaKxFjlOpw Always]] to this [[http://www.youtube.com/watch?v=JhSfjAgm1Tk G Major version]].
** Or turning already creepy music into [[http://www.youtube.com/watch?list=PL61E8E2050C448184&v=bAZQicPCYRk&feature=player_detailpage absolutely terrifying music]].
* The "Shit [insert gender/racial group/subculture here] Says" videos. It all started with "[[http://www.youtube.com/watch?v=u-yLGIH7W9Y Shit Girls Say]]" and the most controversial, "Shit Black Girls Say". They usually feature somebody (usually not in the group depicted, i.e. in the original video the "woman" is clearly a man with a wig) saying things that members of that group hypothetically would say in certain situations.
** "Shit [insert group here] Say To [insert opposing group]" here have become equally as popular.
* '''Unregistered [=HyperCam=] 2'''[[labelnote:Explanation]]The trial version of the popular screen capturing tool [=HyperCam=], since version 1 (back then, the watermark did not have the number 2 on it), had a white watermark on the top left corner of the video with this gem written on it, usually seen in the Windows System typeface. People who didn't want to pay for it, or didn't use a video editor with the ability to crop it out (such as the ever popular Sony Vegas) were stuck with this watermark on their videos. [=HyperCam=] 2 eventually became {{freeware}}, and removes the watermark, though HC 3 requires a registration fee for it or "Unregistered [=HyperCam=] 3" appears.[[/labelnote]]
** [=ZDSoft.com's=] own recorder has its own watermark that uses the same font as for [=HyperCam=] but displays its website.
** www.fraps.com[[labelnote:Explanation]]Another poular screen recorder, fraps (intended for recording gameplay footage) displays this at the top of the screen.[[/labelnote]]


!!Comments

* We must start with the very first meme on any video's comments: "[[http://knowyourmeme.com/memes/first First!]]"
* SUMBITCH, EXAMPLES!!
* X, [[InterruptingMeme Imma let you finish]] but [[Music/KanyeWest Y had one of the best Z of all time!]]
* "Did [item] die?", where the video depicts some disastrous result, not necessarily affecting said item. Usually funnier if [[ComicallyMissingThePoint the item is not affected at all]]--such as a cable spool rolling down an escalator and people asking if the spool or the escalator died. Very common on FailBlog videos.
* Since it was possible to like/dislike videos, commenters have gotten to saying "[x] people missed the like button" or "[x] people [do the opposite to something in the video]", such as one from a video of Music/PinkFloyd's "[[TheWall Another Brick In The Wall]]" saying "[x] people can't have any pudding".
** Or a pun relating to the song lyrics, title or artist, such as "[x] people were in [[OneHitWonder The Middle]] when [[JimmyEatWorld Jimmy ate the world]]."
** or "[[SockPuppet [Bad guy] made X duplicate accounts so he/she could hit the dislike button X times]]", or "X people are (the villains or victims of the video)". For example, a comment on a ''VideoGame/{{Portal}}'' video would be along the lines of "x people work for Black Mesa".
** There's also a variant of the above, commonly seen on LetsPlays: "X people failed [level shown in the video], or "X people were killed by a [insert mook from game here]."
** or like on [[http://www.youtube.com/watch?v=vFldBVWFgWo this video]], "542 people must have goten [sic] a boot to the head".
** Except on the Music/JustinBieber videos, where more people dislike than like them, given that it has become somewhat of a mini-meme to bash him in random music videos by completely different bands, sometimes in completely different styles. Usually the comment is "Better than Justin Bieber".
*** A sub-meme that grew from this one is the "X is still a better love story than ''{{Twilight}}''." Yes, even on completely random videos.
** "[x] people thought the button for dislike meant dis i like"
** Also, if a video has a large and equal (or almost equal) number of likes and dislikes, expect comments about "keeping/breaking/restoring the balance".
** Another one - A [=YouTuber=] sees the number of dislikes a video that they like has and says "X (number of) dislikes?" *loads shotgun* Or how a [=YouTuber=] talks about how they want to kill the people that disliked the video that they liked.
** When the Like/Dislike bar has a vast majority of one or the other, people may comment that it looks like a [[StarWars lightsaber]].
* '''[[EarWorm Everybody hates ]]''[[http://youtu.be/2WPCLda_erI 009 Sound System]]''!'''
** All rise for the [=Youtube=] anthem...
* There is also a trend where people say which part of the video they liked the best but these are:
** The timespan of the whole or the majority of the video. For an example, "I like the part where he sings." when a character is singing throughout the whole video.
** A single timespan of the video which is identical to other parts. For an example, commenting how they liked 0:50 the best on the video where a 3-second clip is repeated for 4 minutes.
** The timepoint where the video ends is hated.
** Or a particular enjoyment is mentioned of a part after the video ends.
* The thumbs up/thumbs down feature has resulted in a lot of people looking for cheap ways to get the rated comment. This typically results in lots and lots of "[[CheapHeat Thumbs up if you agree]]" posts.
** Alternatively, there are those who state something along the lines of "This comment will randomly/magically get thumbs up." Guess what? They do.
** Or things barely related to the video at all, like [[CaptainObvious thumbs up if you are watching this video]] or [[Administrivia/PeopleSitOnChairs are sitting in a chair.]]
*** "Thumbs up if you're watching this in 201X" has been making its rounds.
*** And those comments are followed by joke ones which involve saying you're watching the video in the future or in the past.
** In order to promote their careers, many people are now posting comments on popular videos (often music and viral videos) along the lines of "I am an aspiring (insert entertainment industry career here) and it's my dream to (get a record deal, go to filming school, etc). I have seen a lot of hate on [=YouTube=] in the past but I think that (insert the name of whoever is credited for the video being spammed) fans have a more caring heart. I have (integer from 1-5) thousand viewers but no one will notice me with such a small following. Please like this comment so everyone can see it and subscribe to make my dreams come true. Thank you." Top comment every time.
*** Bonus points if the person begins with something along the lines of "I don't really like thumbs up comments..." yet they have spammed 10 other videos as well.
* Requests for lyrics in videos that either have no lyrics or just repeat the same ones over and over.
* Among the FightingGame community, "[[PrecisionFStrike fuck]] [[HitboxDissonance wrong with that]] [[NWordPrivileges nigga]] [[HitboxDissonance hitbox?]]" This one is thanks to the long-running "[[NonindicativeName homo-genius: a history of gay inventors]]", a series of videos showing infamous examples of fighting game stupidity and [[HitboxDissonance disjointed hitboxes]] (you can see the first volume, featuring [[VideoGame/StreetFighterIII Alex]] literally [[GoombaStomp curbstomping]] Urien [[CurbStompBattle to death]], [[http://www.youtube.com/watch?v=3EF5h6WJAq4 here]]). In particular, the line above comes from [[http://www.youtube.com/watch?v=8vvibK5P6p8 Vol. #54,]] featuring a match from ''VideoGame/TheKingOfFighters 2002'', where [[VideoGame/ArtOfFighting Ryo Sakazaki]] magically reels in [[VideoGame/FatalFury Billy Kane]] with his [[RapidFireFisticuffs Zanretsuken]] ''from halfway across the screen'' by miraculously snagging the ''very end'' of his [[SimpleStaff bo]]. The phrase pops up frequently on many more videos from the same series in some way or another.
** There was also a habit of Tubers posting "That's me, I'm [x]", usually referring to themselves as a background character or (stranger still) ''backdrop scenery''. It quickly became something of a ForcedMeme, though.
* The "You say Artist X, I say Artist Y" meme, with Artist X being a band/group/artist that the commenter regards as "bad", and Artist Y being a band/group/artist that the commenter regards as "good". Can also come with an optional addendum of: "(something greater than 50%) of teens/people have turned to (hated genres here). If you're one of the (remaining percentage) who still listens to real music, copy to X number of music videos."
** This isn't limited to music. For example, it's become trendy to bash ''WesternAnimation/FamilyGuy'' on ''WesternAnimation/TheSimpsons'', ''WesternAnimation/SouthPark'', or ''WesternAnimation/KingOfTheHill'' videos.
* "I'm only (any age under 18), and I like this artist/movie/show/etc" to videos of such that are at least five years old. Bonus points for additional complaint that nobody else/very few kids at commenter's school like it.
* For any age, comments on the gender/age of the people who watch the video, usually making a remark indicating surprise at some of the people watching the video. (Especially relates to subjects with incongruous {{Periphery Demographic}}s, such as ''WesternAnimation/MyLittlePonyFriendshipIsMagic''.)
* This comment has been making rounds in the comment section of modern songs: "When {{Kesha}} went to ''Take It Off'', BrunoMars threw a ''Grenade'' which made KatyPerry a ''Firework''. That made Usher say ''OMG'' and then he exploded too. Fortunately, Music/TaylorSwift rode away on a ''White Horse''. Unfortunately, Music/{{Rihanna}} killed her while she was running away! So Rihanna became the ''Only Girl In The World''. The loneliness caused Rihanna became a [[LaserGuidedAmnesia retard, so she don't know her name.]] Now she keeps saying ''Oh na na What's My Name?'' Nelly soon woke up saying it was ''[[AllJustADream Just a Dream]]''!"
** Similar comments have popped up. It's also become popular to use titles from a certain band in such ways.
* People have been putting these "Press *insert number from 1 through 9* for some funny thing" on these [=YouTube=] videos. Basically, it involves the user clicking on the video while it's being played and the user's supposed to click on any number from 1 through 9 over and over again for what's basically considered a funny scene or noise.
* The common "Thumbs up if you came here from (insert website here)" comment. TVTropes is mentioned at times, particularly with the phrase "Featured on TVTropes!" when a video receives linkage on here.
* People have been posting "co za asy" (Polish for "What aces!") after the comment was sarcastically posted on a video later reviewed on ''EqualsThree''.
* On videos with religious music, there will be a lot of comments that say "I'm an atheist, but this stuff is just beautiful" or some variant. These comments will often be in the highest rated section.
** Similarly, this happens with ethnic music too, where someone from a rival country will put their UsefulNotes/MisplacedNationalism aside and comment something like "I'm *insert nationality here* and I still love this music", or they'll leave their nationality for the end of the comment as TheStinger (Greetings from *insert country here*)
* Scripts:
-->'''Mom:''' TURN THAT SHIT DOWN!
-->'''Me:''' But it's [Artist here]!
-->'''Mom:''' TURN THAT SHIT UP!
** A variant of the following conversation (which has also faced HypeBacklash):
---> '''Kid''': Mom, I'm going out.
---> '''Mother''': What are you going to do?
---> '''Kid''': I'm going to kill (X number of people who disliked this video).
---> '''Mother''': You're going alone?
---> '''Kid''': No, I have (X number of people who liked the video) helping me.
---> '''Mother''': Have fun!
** One m00:00re time! [[note]]Explanation:When a commenter writes numbers in this format, [=YouTube=] changes it to a timecode that, when clicked, plays the video from the indicated time. However, now the timecode needs to be surrounded by spaces, or it won't work.[[/note]]
* On sexually-charged music videos; "This porn has good music."
* Someone stating they paused their porn videos to listen to the video.
** There is one brilliant inversion on a Music/WeirdAlYankovic video (not the top comment anymore, though) that goes something like
--->I switched to porn when my mom walked into the room; it was easier to explain.
*** This is also popular on extremely strange videos, like [[http://www.youtube.com/watch?v=iRZ2Sh5-XuM Going To The Store]]. What's a parent going to believe more: teenage son is watching porn, or teenage son is watching a naked mannequin flopping around to some very psychedelic music?
* People "raping" the replay button, and sometimes getting sued.
* In a similar vein, commentators asking why they can't "like" a video more than once, or lamenting the lack of buttons like "This is fucking awesome".
* X faved/liked this! [[note]]When a famous [=YouTube=] user likes or favorites a certain video, their horde of fans will go to there and state that said user liked/favorited the video.[[/note]] [[note]] User [[http://www.youtube.com/user/RubberFruit RubberFruit]] is the one who brings this on a lot. He likes to use music from popular/obscure Nintendo games, and whenever he uses one piece of music in his videos, a horde of fans will spam the music-video with references to the video he used it in. It got so bad at one point that the [[DonkeyKong64 "Puzzle in the Caves" and "Demon Resident Mine Cart"]] music videos had to have its comments locked because they got out of hand with PainisCupcake (the character who uses these themes) references.[[/note]]
** This extends to notable web personalities on ''other'' sites who review corny, lesser-known or just plain bad works. Their fans will often flood every video they can find related to the work in question and spam it with "X brought me here" responses or parrot the most memorable moments and quotes of the personality's review of the work.
** Now people claim "I liked/faved this ''before'' (famous person) did."
* This one is exclusive to Music/WeirdAlYankovic, but this meme is rising in popularity:
---> [[BlatantLies I heard (insert name of whatever artist he's parodying) made a cover of this.]]
** Comments to the same effect are now appearing on BadLipReading videos.
---> "I heard (artist) made a parody of this video with different lyrics."
* SHUT UP AND ENJOY THE MUSIC! ╭∩╮(︶︿︶)╭∩╮
* [[SugarWiki/NeedsMoreLove The really good ones]] will often draw a "it only shows ''my'' total views".
* Here's a funny dislike reaction:
-->'''[=YouTuber=]:''' 911 we have a problem. Someone disliked a video.
-->'''911 Operator:''' Why should we care?
-->'''[=YouTuber=]:''' Because its (insert popular video here)!
-->'''911 Operator:''' Oh my god we are on our way!
* A common way to get likes on a comment is to quote a funny or cool moment in the video. Adding your own reaction or twist on the event is optional.
-->'''[X]:''' (Memorable moment from video.)
-->'''Me:''' [[FunWithAcronyms ROFL! LMAO!]]
* On Videos of ''WesternAnimation/TheSimpsons'' posted on [=YouTube=] you will come across at least one comment describing an action that happened in the video followed by the phrase [[http://www.youtube.com/watch?v=hFgR0m-9FmM&feature=related That's a Paddlin]]
* "If I get [x] likes I'll sing this song at my school's talent show!"/"If I get [x] likes I'll sing this song to my [boyfriend/girlfriend]!"
** Both the top comments on "School's Out" by Music/AliceCooper state that if they get (very large number of likes) they'll blow up/burn down their schools.
** Or "I will tell my secret crush I love them if I get (X) likes." on sappy videos.
* "Did anyone notice that n:(m-1) is missing?" or variations thereof, where n:m is the full duration of the video (minutes:seconds) - a recurring comment, usually on short videos where it's more noticeable, regarding a persistent glitch in the current video player, where the display never shows the second-to-last second. (If the video is seen as 5 minutes and 23 seconds long, the timer will jump from 21 to 23 at the end, even though the video plays normally. A video in question with this length may also in fact be 5:22 long before upload, meaning the counter may add a non-existent last second for some videos.)
* "Transcribe the audio" [[note]]One of [=YouTube=]'s more [[SoBadItsGood infamous]] features is the "Transcribe Audio" option, which is meant to form a closed caption subtitling based upon the sound in the video. The results would often become gibberish, and some users even use this for amusement and post the results in the comments section.[[/note]]
* Saying "I'm On The Weird Part Of [=YouTube=]" when you see an odd video has become popular.
** http://www.youtube.com/watch?v=t9YhZSsA9fs
* Complaining when a video is 240P instead of a higher quality.
** On the flip side, videos with annotations or uploader comments saying "WATCH IN HD!!!!" are getting very common, even for videos that aren't improved much by high-def. Most viewers will use the highest setting their connection can handle anyway, so posters probably only add these recommendations [[FollowTheLeader because everyone else is doing it.]]
** A popular meme on ''particularly'' grainy/low-resolution videos is "Did you record this/upload this using a toaster/microwave/potato?"
----> '''Comment''': ''What model toaster was used? I've never seen one with an aperture like that one.''
----> '''Uploader''': [[Memes/SuperMarioBros ''One that toasts toast...'']]
* Howcast videos are made fun of a lot in the comment section of their videos. Often the comment makes fun of the video by giving steps that are easier to do than what the video does and then ending it with the "Did You Know" section by giving a completely obvious fact.
* [=YouTubers=] commenting, upon seeing a bad quality video, "Was this recorded with a X?"
** Most commonly: "[[SarcasmMode Did you record this with a potato?]]"
* "I have the strangest boner right now."
* "I find this easy/difficult to masturbate to."
* "Click 240P for HD" on videos of 8-bit music.
* I was going to make a gay joke. Butt fuck it.
** Cum on guys. Gay jokes aren't funny.
*** Let's not start a flame war.
* And not a single male viewer was straight that day.
* I want a ten hour loop of this.
* [=YouTubers=] commenting, upon seeing a video that ship teases a certain pairing, "And thus thousands of fanfictions were brought into existence" or something similar.
* X (a certain character) made X (a certain number) accounts and disliked this.
* "What the fuck did I just watch?"
** Dafuq did I just watch.
* On videos with somewhat horrifying thumbnails, "right click and stop download"
** Also it's sometimes used on [[{{Fanservice}} sexy]] and even occasionally humorous thumbnails.
* Day [Insert large number here] of searching for X's comment. Food running low. So thirsty. Land nowhere in sight. Not sure if their comment ever existed.[[note]]Back when replied comments weren't linked together and users had to search for them manually to find out what the reply was to.[[/note]]
* "Click "Show comment" to go on an adventure." When comment threads are especially long.
** A popular Inversion has clicking "Show Comment" to just show one comment: "I lied."
* (Out of context quote) (User) (Year)
* Long chains of {{pun}}s, usually revolving around [[NoodleImplements Nazis or water]].
* A short-lived one was "You are already subscribed to (User)", which would show up if you clicked on the Subscribe button but you were already subscribed. Nowadays, there's an Unsubscribe button, so the "You are already subscribed" comments don't make much sense anymore.
* Some form of [[TheRoleplayer Roleplaying]] has become a fad on the site. Put your "real name" as a fictional character and an image of the character as your profile picture, and then comment in-character on a video involving said character somehow.
** ''WesternAnimation/FamilyGuy'' characters are most common, often featuring [[ButtMonkey Meg Griffin]] saying something that would be considered controversial to the video's target audience or saying something negative about a video with a largely positive reception, with a reply by [[{{Jerkass}} Peter Griffin]] saying [[CatchPhrase "Shut up, Meg"]] or a variant thereof.
* "This video is so fake". Especially perplexing when posted on videos that are obviously fake, like cartoons or pro wrestling.
* [=xXxMLGPro420NoScopesxXx=]: Take a video game, often an obscure title, any of the generic European sim games, or a simulator like SilentHunter. Then throw in a crapload of LensFlare and massively bright lights, spin the video around at random, zoom it in and out, add in large, obnoxious gaming related slang over it (headshot, 360 no scope, TARGET AQUIRED), chuck in some pictures of weed, set the thing to "Bangarang" by {{Skrillex}} , and title it a variation of [[http://tinyurl.com/cnfpy3g MLG Xx PRO HD 1080P NO SCOPE 360 420 W33D]]. It parodies popular FirstPersonShooter compilations, where the tropes are played straight, filled with crap dubstep, and filled with over the top effects. The MLG Pro refers to the "Major League Gaming" website, a high level competitive gaming scene.
* Someone managed to capture a bunch of these into one comment on [[http://www.youtube.com/watch?&v=Z-BbpaNXbxg this video.]]
* Find a popular video about science things, like the Universe. There's a chance you may find a religious debate on these videos.
** Debates in overall. Decided to watch the video related to the Color Doll test? Good chance there's going to be a lot of racism-related comment chains.
* The very slightly-less obscure fad[[note]]No major site has reported on this '''at all'''.[[/note]] of putting spiders, giant flies, (and maybe sometimes other bugs) on default blue-silhouette profile pictures. It can get unnerving. Circa spring 2013.
* A few years ago, we had the chain postings which required you to copy the comments to several videos or else something weird would (supposedly) happen. People generally ignored these. A feature YouTube once had was bulletin posts on the side of an old channel layout, where these chain letter posts had fallen into at one point. While not as common as in 2010, it still happens sometimes. They've spread to other sites like {{Steam}} Workshop in the meantime, in the form of ASCII art that takes up several lines when really, a thumb up in the Workshop is much quicker and effective.
* "You wanna see a problem with the new comment section?" [[note]]Explanation:Since November 2013, thanks to Google changing the comment section of the site so that comments go directly to GooglePlus, users can now make comments that are ''much longer'' than 500 characters, and posting (unsolicited) URLs. Said users have exploited this by posting this message and then copy/pasting it ''dozens and dozens of times''.[[/note]]
** Not to mention posting incredibly large messages, such as excerpts from books or Wikipedia articles, or resurrected ASCII art from the late 2000s, such as Bob building an army to destroy Google+ depicted with him standing near a tank.[[note]]Doesn't help that Bob lurked in Steam Workshop for a while in 2013, and became misattributed to a new larger ASCII skeleton (2013). Bob also got parodied by [[https://www.youtube.com/watch?v=_y0SCQJvA1c this video]] (released June 2014).[[/note]]
* The user [=PressFartToContinue=] has become a meme in and of himself, due to dropping comments (most of which are sarcastic or joking) on a staggering number of videos with a ''huge'' variety of subjects. The MemeticMutation comes from multiple people invariably replying to him, either asking what in the world he is doing commenting on any given video, or expressing despair that he's shown up.
* The question "What song is playing?"... and, it seems, ''[[AskAStupidQuestion anything]]'' [[AskAStupidQuestion not music-related]], on any YouTube video has one answer. Darude - Sandstorm. This meme spread from Website/{{Twitch}}.
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