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[[quoteright:338:[[VideoGame/AbobosBigAdventure http://static.tvtropes.org/pmwiki/pub/images/abobopipec_6480.png]]]]
[[caption-width-right:338:[[Franchise/SuperMarioBros Better call a plumber.]]]]

Mostly found in animated and CG media, the Traveling Pipe Bulge is a phenomenon that occurs when an object moves through a pipe or hard tube, creating a [[ShapedLikeItself bulge]] to [[RuleOfPerception tell you where it is]]. Bonus points if the fittings do not contract after the object passes through them.

SisterTrope to WormSign, DinnerDeformation and BalloonBelly.

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!!Examples:

[[foldercontrol]]

[[folder: Anime And Manga ]]

* In ''SoulEater'', a bulge is shown with the metaphorical representation of [[spoiler:Tsubaki's soul getting captured by Youtou by a vacuum cleaner]].

[[/folder]]

[[folder: Eastern European Animation ]]

* In one episode of ''Staflik a Spagetka'', it was done inside a monocular.

[[/folder]]

[[folder: Film -- Animated ]]

* Happens in ''WesternAnimation/TheNightmareBeforeChristmas'' when objects (such as Santa Claus) go down the pipe to Oogie Boogie's lair.
** In a rare variance of this trope, Santa's transport causes bolts to pop out of the pipe. This is because the transport system wasn't designed to accommodate something as large as Santa. But, as the trick-or-treaters say, if he can fit down a chimney...
* In ''HortonHearsAWho'' ([[TheFilmOfTheBook the Jim Carrey version]]), this happens when Horton's ''voice'' first travels down the pipe to the mayor's office.
* The Thief does this extensively while trying to sneak into the castle in ''WesternAnimation/TheThiefAndTheCobbler''.

[[/folder]]

[[folder: Film -- Live Action ]]

* Happens in ''Film/DeepRising'' when the worm monsters pass through pipes.
* A somewhat brief, but gruesome example in the remake of ''Film/TheBlob'', when the monster yanks a kitchen worker bodily through a sink drain.

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[[folder: Live Action TV ]]

* They did this in the ''Series/RedDwarf'' episode "Polymorph".
* ''MightyMorphinPowerRangers'': Rita's [[MookMaker Monster-Matic]] (a magic kiln that turns clay figures into full-sized beings, either [[MonsterOfTheWeek monsters]] or [[{{Mooks}} Putty Patrollers]]) displays this with its exit pipe.

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[[folder: Video Games ]]

* Several recent ''Franchise/SuperMarioBros'' games have this (but not the NES or SNES games).
** ''SuperMarioWorld2YoshisIsland'' had this.
** The first ''MarioParty'' game does this in the "Pipe Maze" minigame, with a treasure chest dropped into a pipe.
* Happens in ''TalesOfMonkeyIsland'', Chapter 3. Although in this case it's a bile tube, not a pipe.
* The plumbing in ''VideoGame/NightmareNed'' does this as Ned moves through them.
* Many tubes in ''LocoRoco'' are very flexible, allowing to stretch so a locoroco could traverse pipes and other things in one piece.
* In the DS version of ''VideoGame/SonicColors'', there are a few elevators in Tropical Resort which bulge when Sonic enters them.
* In Generation 1-3 ''{{Pokemon}}'' Cable Link trades.
* When Kirby goes behind the background in ''VideoGame/KirbysEpicYarn'', it bulges, as do cannons when he's inside them.
* ''[[Videogame/{{Dizzy}} Spellbound Dizzy]]'' has a few pipes that lead to new areas. One of these is actually a man-eating flower.
* In ''The Bugs Bunny Crazy Castle'', these show up whenever Bugs enters a pipe.
* In Stage 6 of Sparkster(the SNES version),this happens when you go inside the trumpets.

[[/folder]]

[[folder: Western Animation ]]

* Happens in the ''WesternAnimation/DarkwingDuck'' episode "Dry Hard", when The Liquidator is passing through the pipes of the city waterworks. ("Followwwww that piiiiipe!")
* ''WesternAnimation/FanboyAndChumChum'' has their straws showing bulge of [[TrademarkFavoriteFood Frosty Freezy Freeze]] as they suck it from the source.
* In the 1935 WesternAnimation/LooneyTunes short "Billboard Frolics", a cat traps a dog in a piece of pipe, which bulges where the dog thrashes around inside.
* In one of Creator/ChuckJones' ''WesternAnimation/TomAndJerry'' cartoons, Jerry escapes into a gutter; when Tom follows, there's a noticeable bulge.
** Also, any time Jerry (or tar/air/etc) goes through a garden hose.
* ''WesternAnimation/FelixTheCat'': "Felix Doubles for Darwin" short has a whole scene of Felix traveling through the entire transatlantic cable and then back again, pursued by apes.
* [[Franchise/SuperMarioBros Mario and Luigi]] in ''WesternAnimation/TheSuperMarioBrosSuperShow''.

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