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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.
* 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.

[[/folder]]

[[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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