Little Timmy: Look Captain...its Flipper...theres another dolphin with him!
Captain Peg: Arrrgghhh...there be Flaps...
Captain Peg: Arrrgghhh...there be Flaps...
by Master of Cunts May 10, 2008
Get the flapsmug. 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
Get the Flapmug. A hinged section of an aircraft's wing which allows the aircraft to fly slower but also generates enough lift to stay aloft.
by Charlie December 6, 2004
Get the flapsmug. 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
Get the Flapmug. 
"Can you do me a flap for $40?"
by RealFamous August 28, 2016
Get the Flapmug. Noun: a movement of a ballsack from side to side or up and down.
Verb: the act of using your ballsack to hit something
Verb: the act of using your ballsack to hit something
by Electrified22 October 15, 2018
Get the Flapmug.