by Dylan Wilson and Deidra Banks December 9, 2008

by Politricks November 26, 2003

by gooch123 May 3, 2010

by ggddssf July 3, 2006

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!
Dee-bop: Tell me about it! I can see her butt flap from here!
by Buttl0af June 29, 2013

John: What are you playing?
James: Amnesia, I'm proper flapping
John: You're a proper flap artist that's why
James: Amnesia, I'm proper flapping
John: You're a proper flap artist that's why
by Blueseal6 September 1, 2011
