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1.
very accurate depiction of the vagina
that girl pisses so much, she's got salty piss flaps cuz of it.
by JT April 25, 2005
 
2.
An over-sized labia as viewed from the rear, especially if the owner is into watersports.
I was expecting gormet sushi, but all I got were these salty piss flaps!
by Testiclese Giganticus April 21, 2003