The labia of a promiscuous woman. Can also be used to generally describe skanky, undesirable pussy-lips.
"Man, I went out with this girl last night, and she had a pair of bastard flaps on her."
"I hate it when a girl forgets to clean her bastard flaps"
"I hate it when a girl forgets to clean her bastard flaps"
by smokythebandit June 1, 2014

by kaylinruinseverything September 1, 2020

Did you hear about John taking a bloke home the other night?
Yes, I know he's always been a bit of a cat flap.
Yes, I know he's always been a bit of a cat flap.
by tropical October 17, 2007

by berserker256 May 17, 2003

by sQuick June 25, 2003

'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 September 4, 2008

Large inner labia lips.
Pussy lips that dangle outside the labia majora even when the legs are not open wide.
Pussy lips that dangle outside the labia majora even when the legs are not open wide.
by semsem August 21, 2011
