is unexpected flatulence or 'fart' that occurs due to laughter.
She laughed so hard, she accidentally let out a booty-bubble.
fart flatulencebottom burpbreak windcut the cheese
by Thundercat832 January 25, 2011
The appearance of the inner rectum after something huge has been stuck up someone's ass. It blows out like a red bubble, and then deflates back to its normal size.
'Her booty bubble blew out so big, the bitch almost took off'.
by Matty November 22, 2004

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