Vaginal lips or labia.
When playing squash and you miss, "Oh, pissflaps". Usually said with a vast amount of vehemence.
by Jus January 10, 2003
Piss Flaps - Dangly Vaginal Lips
She had Piss Flaps like John Waynes saddle bags
by Jonno April 21, 2003
Nice pair of beef curtains
hanging down like a pair of curtains
by jon December 29, 2003
females vaginal covering often flap in the wind
"oh my god jennys got huge piss flaps"
by Jim Bob March 08, 2003
the dangling pink lips of the puss.
Damn girl, you got the biggest piss flaps , you can sit on someones head and they can use you piss flaps for ear muffs.
by Cindydk3 December 30, 2003
the dangly flappy labia majora - the ones you need to pull apart to let the piss flow sweet
I tugged on me piss flaps and jetted out a stream of gold...
by M.Powers February 26, 2006