flapper

The taking down of pants and moving of hips from side to side causing a flapping sound of the penis.

Roger was mad at the others inside of wendys so he gave them the flapper from outside.

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flapper

A dry piece of snot that is dangling out of the nostril, usually hanging onto a nose hair. It flaps in and out of the nostril whenever person breathers through their nose.

Look at the guy talking to Karen, he has a flapper.

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Flapper

used as an insult. can be in replace of such words as loser, dickhead or idiot. can also be used as a word for someone who masturbates a lot.

That guy is such a Flapper

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Flapper

Is a pop of the 1920's

Joel: Alexa is a Flapper!
Michael : Yeah I know she gave it to me

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flapper

a long stringy wet snot from either nostril mostly pinged onto walls

i pinged that wet flapper onto the wall

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Flapper

A guy who likes to do pelvis thrust that make his dick flap back and forth.

Carolina: "Looks like that guy is a flapper when he tries to dance."

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Flapper wagon

An uncircumcised penis that gets jerked off to the point of climax and you leave the semen in the uncircumcised flaps.

Klinton has a nice flapper wagon!

Did you see his flapper wagon? It really held his cum.