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 20, 2011

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Top Definition
Labia majora and minora surrounding the exterior of the vagina.
"That babe I did last night had some big flaps."
by x January 22, 2003

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a) Aerodynamic devices found at the trailing edges of aircraft wings, used to augment lift at a lower speed during takeoff and landing.
b) The meaty lips you love to nibble on when you go muff diving
a) Flaps down 15 degrees check!

b) Hmmm pull on my flaps honey uhhh pull em ooooohhhh pull em!
by Hugh G Rection September 19, 2003

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(N) A whore. Derived from the region of the vagina called the labia.

The term flap is mostly used to describe any slut, skank, bimbo, man/whore, player, skeez, etc.

Recently, however, the term may describe a social event or gathering.

It can be followed by a series of adjectives including, but not limited to: loose, big, little, stinky, sticky, pink, gross, etc.

(Adj) Flappy

(Adv) Flappily
"Do you see Marie over there excessively kissing her new boyfriend. That woman is quite the flap."

"Yes, he began flirting with me many times today. That guy is totally a flap!"

"Oh Em Gee. Nobody is attending this social gathering. This party is such a flap."
by Jay Jay Cool Whip October 30, 2009

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They can either keep mud off your car, or envelope your knob.
What's the difference between Mud Men & Mud Women. Mud Flaps!
by jadio u no August 14, 2003

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Flaps are a part of womens genitila
Get ya flaps out
Lets see your flappies
Shes got well nice flaps
by Nogwardo February 24, 2008

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A 'Flap' is the name derived for a woman who you wouldn't necessarily 'go out with' or 'date' but you'd definitely have sex with.
"She's definitely a flap!"

"I don't think she's like that fit, but she's a flap"

"Her eyes don't really do it for me, she must be a flap"
by Bowms and Buns February 22, 2013

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Fucks Like A Porn Star
That chick FLAPS.
by G-RAT99 June 30, 2010

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