A flap-flap is an alternate name for winged animals mostly pertaining to fowl and bats. Other mammals that have folds of skin that can act like wings such as sugar gliders and flying squirrels. Insects and other mammals that use their extra skin to maneuver can be their own genus of flap-flaps including stingrays, dragonflies, butterflies and honey bees with the exception of wasps who are just assholes.
Flap-flap... Makes me smile just saying it
by Itsybitsymissy January 12, 2016
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A person who chickened out and ran away from a challenge and / or a fight.
Person 1: Aw mate, how was Jake and John's fight yesterday?
Person 2: It was complete and utter shit! John absolutely flapped it!
by HoldenAlucard March 21, 2016
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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 20, 2003
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To get caught by the police.
While driving down the wrong way at TSU's homecoming, Torrian got flapped.
by Candy November 16, 2003
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to back out, to wimp out, to pull out, to skank, to not do something for whatever reason
me: couldnt she be bothered to drive?
you: dont know, she just flapped it;

he was going to fight with next man down the pub, but flapped it and ran off;
by Majic Mayhem July 21, 2006
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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 31, 2009
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