A nice big popin butt that is round only Black and Hispanic girls have maybe some boys. But not common for white girls to have.
person1: Dang she has a bubble butt.
by Deeznuts3277 August 15, 2016
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A bubble-butt is a cute young guy, with round firm boy-buns and a tight pink asshole that other dudes like to rim and fuck.
Matt and several other cadets like to fuck my bubble-butt whenever they can!
by USAF Cadet September 30, 2021
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The fine Round and big bubble shaped kind of Booty, A girl who got curves and a big ass Rack has a bubble butt ,It's gotta b the opposite of that uggly Flat ass a bubble butt is also perfect for Twerking Niggas like myself love them bubble butts
Nicki Minaj has a ''bubble butt''
by T-wing November 26, 2013
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The wigglyiest fat juiciest butt on earth
BOB: Stacy ur big fat juicy bubble butt is so sexy

Stacy: yes it is baby squish it really hard

BOB: ohhh ur a big slag

Stacy: I know oaah SQUISH IT HARDER BABY
by Mecca pacca November 9, 2019
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Another term for explosive diarrhea. The term is used when you can feel the dump-to-be churning or bubbling inside.
::running to the bathroom with hand over butthole::

Todd: Adam, what's up?
Adam: Enchiladas, they gave me a wicked case of the bubble-butts!
by Machadorati June 9, 2007
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The name of the little submarine in Markiplier's video, SOMA Part 3. Possibly also something disgusting
He's my little bubble butt biscuit *grutural noises* I don't know what a bubble butt biscuit is but I'm not sure I want to know.
by JFox October 15, 2015
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When you have a video or group of woman who have bubble butts and like to show them off.
Damn, Mackenzie, Kayla, Allie, and Tessa like to show off there bubble butts. What a nice bubble butt bananza.
by Peachez Man January 16, 2011
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