When you have a big ass. So when you have a nice ass, this is what people say to you.
by Leslie748159263 October 22, 2005
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Large butt that tends to stick out like a bubble.
Iggy Azalea and Nikki Minaj both have bubble butts.
by volleyballviolist109 February 28, 2015
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Someone with a really big butt. Usually has awkward body proportions also.
Chloe: Domenique's butt is not hard to miss.
Morgan: I know. It's such a bubble butt.
by CloBear29 February 18, 2011
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1) Perfectly formed ass
2) The most wonderfult thing in the world.
3) Proof that God exists.
The girl that's interested in you has a tight body, with a real nice bubble-butt.
by DavidFury December 22, 2004
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A big, fine round ass. Most black girls and many white and latina girls are blessed with these anatomical masterpieces. They are as fun to watch and just as fun to grab.
Bubble Butts have the potential to automatically give tens of millions of guys a boner.
by The Kentucky Yankee November 6, 2005
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A butt that is round, sexy and plump. It is shaped like a bubble and it shows on a person's figure.
by Adriana June 11, 2005
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