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A loose flap of skin, hanging from a persons anal area. Sometimes In the appearance of a pouch that may flap if blown by the wind. Can be tied up with a a hair lackey.
Avril Lavigne has the biggest arse-flap I've ever seen. I wonder how she cleans it!
by Smythe November 01, 2003
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Arse Flaps
Someone with a rather large fatty arse, when they move, the fat 'flaps'

Insulting because, not many people like 1)referal to their arse and 2) not many people like being called a fat arse

Used by Dani Filth
Hey arseflaps...

She's so fat, her arseflaps
by Ross April 19, 2005
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