dill flap

When the pussy lips are flapping on the dick during sex or twerking

I couldn't concentrate when me n my girl were fuckin cuz the dill flap was so loud.

Zing flap

A pejorative term for a mouth. Used as part of a generic response to an insult or comeback known as a "zing" or "burn". (See example.) Zing flaps are also called "burn holes".

"Your MOM goes to college!"
"Oh, shut your zing flap, Kip."

crack flaps

butt cheeks

Damn, my office is hotter than the inside of Dom Deluise's crack flaps right 'bout now.

Leaky Flap

(Noun)The Wettest, most juiciest, god-sent, delectable pussy you have ever had.

Eric: Bro that girl had a Leaky Flap.

Tim: Say on god?
Eric: on god.

dong flap

A large amount of flab that covers the groin area.

I'm so fat... I even have a dong flap!

sneaky flap

Like a sneaky nut but for girls

Send me a sneaky flap

Ball flap

The extra skin of ones testis or balls

Hey Jim! Did you see Cathy grab Tony’s ball flap during practice.