Flappin'
The act of a female with obvious labia wearing short shorts, underwear, swimsuit, etc., and in a position to where said labia is exposed in some way. Mostly frowned upon by the male gender, although when tolerated, strong sexual arousal is common.
Guy 1: Check it out dude! That chick with the booty shorts is totally Flappin'!
Guy 2: She is so fine.
Guy 2: She is so fine.
Flappin' by 69unfaithful December 14, 2009
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