“Bro, I just took a fat flap.”
“Just flapped.”
“I’m bout to take me a flap.”

"I walked in on my brother flapping and listening to the audio of a slaughterhouse."

"I had to rip out all the leg hair on my thigh because they were covered in cum from me flapping."

Dude, your sister is dancing at the local strip bar - we can go see her flap for a buck!

Last night I went to a Techno club and it smelled like sweaty flaps.

yo, stop flapping about

He was standing there in the shower, singing and flapping!

"hey man can get a flap of caine off you?"