1 definition by Buttl0af

Top Definition
When a person's butt is so flabby that it hangs low to create a curtain of flabby butt. Otherwise known as a butt curtain.
Trisha: That gurl does not have the bod to pull of those bootay shortz.
Dee-bop: Tell me about it! I can see her butt flap from here!
by Buttl0af June 26, 2013

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