The labia minora, or inner lips. NOT the majora, as many a moronic contributor would have you believe.
The piss flaps are a colloquial term for the labia minora, or inner vaginal lips, by virtue of being proximate to the urethral opening.
by AnyNationExceptAmerica March 24, 2024

by WilliamOhuxter July 30, 2023

Crack flapping is the act of slamming your and your significant other's asscracks together in a fit of sensual joy.
The old lady and I got hot and heavy last night, and we started crack flapping. I came so hard I farted inside her.
by Mr. McGooch September 19, 2016

Everytime I see him I need a car wash, you'd wish it was just the mud flaps!! His mud is like diarrhea!!
by Jesyca September 8, 2019

by Pollo Pazzo December 25, 2018

Flap flossing occurs when a girls bathing suit is too small, or her vagina is too big for the garment, resulting in a noticeable flap flossing
Kristin-"Should I wear my one piece thong lifeguard bathing suit to the lake today?"
Katie-"Why the hell wouldn't you?"
Kristin-"Either my vagina got bigger or I shrunk my suit because I am flap flossing hard right now"
Katie-"Why the hell wouldn't you?"
Kristin-"Either my vagina got bigger or I shrunk my suit because I am flap flossing hard right now"
by Ebesneezer bahonkers October 2, 2015

When a man is having sex missionary style and the girl farts so hard that the mans balls slap his own asshole!
I should have never fed Sally that chili.. we were banging missionary and she ripped a fierce fart and gave me rowdy Mexican Mud Flap that had my balloon knot swollen for days!
by JoelskiJizzle September 9, 2019
