by Tylers88 August 3, 2017

1. She had no knickers on and you could see her flaps
2. Sorry I didn't come out with you guys last night... I flapped it!!
2. Sorry I didn't come out with you guys last night... I flapped it!!
by 123x May 11, 2011

A hip alternative to pussy, box, snatch, and cutty. Flap refers to more than just the beef curtains, it covers all areas of one's womanhood.
"Me and DeAndre about to hit the town scouting for flap"
"I creased that flap last night dawg, and I didn't even have to wear a flap jacket"
"I creased that flap last night dawg, and I didn't even have to wear a flap jacket"
by Dirk Daddy August 18, 2011

The sound one makes when masturbateing to porn on a laptop computer. Also can be the sound mad when your pounding a honey hole and your ballsack and ramrod slam against those meaty lips.
We got home early only to walk in our apartment and hear the sound flap flap flap flap flap flaaaaaaap flap of Tim our virgin roomate wackin off to porn on his laptop.
by FLAPFLAPfromNC December 27, 2011

"Can you do me a flap for $40?"
by RealFamous August 28, 2016
