A piss wrinkle is another name for a vagina, pussy, coochie, ect. Its the wrinkle or an opening between a girls legs where she pees out of or uses for sex.
"Omg my piss wrinkle is so sweaty!!!"
"Do you want some of this piss wrinkle?"
"Eat my fucking piss wrinkle!"
"Do you want some of this piss wrinkle?"
"Eat my fucking piss wrinkle!"
by A to the LEX beezy! December 11, 2007
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