The mysterious loose appendage of skin on the female's vaginee.
'Holly's fuck flap gave me a rash during intercourse last night. She enrages me. Holly is a dick slap.'
by G-man From Mish June 29, 2006
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A nickname for a guy named Brett.
Damn Brett’s being a real fuck flap today
by Big Guy ;) July 30, 2019
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