The disease-like addiction to the new smart phone app "Flappy Bird."
Girl 1: "So I was hanging out with David the other day... and I think he gave me the flap"
Girl 2: "That sounds terrible, is there any way to get rid of it?"
Girl 1: "I don't think so..."
Girl 2: "Well what is it?"
Girl 1: "Here give me your phone."
*Two hours later*
Girl 2: "....... oh shit"
by @42mccollum10 February 05, 2014
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A style of dance created by The Redd Zown. Performed by releasing the shoulders while "flapping" one's hands and arms to the beat. Term could also be used in any sentence in place of a verb.
"The ladies love when Rob Cahill does the flap in the club"
"I flapped the bitch in the face"
"Do you mind if I flap around the car a little bit?"
by Mark Abrams July 17, 2006
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A condition where a girl has a pussy so loose you can fit a damn watermelon in it. It also usually smells of dead fish and generally has lips that sag out of her pants.
George: Dude I totally banged Megan last night!
Ryan: Wtf dude she has the flap!
by BDJ8961 January 10, 2013
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during sexual intercourse, the sound two bodies make while knocking boots
that girl was flap flap all over the place.

did you hear about her raw flap flap wetness last night?

by your mom's name goes here June 03, 2006
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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 11, 2016
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shaking one's willy in an eccentric and exciting manner. often resulting in hilarious and wet consequences. can be used as a form of foreplay or to attract other people to engage in the mating process, much like a peacock displays her feathers to attract a mate. a male human will often display his willy in an appealing way to gain sexual prowess.
i am going to use my extreme flapping capabilities to attract a mate at the club tonight.
by sfccurtyla November 11, 2013
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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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