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.
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.
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.
Joel: Alexa is a Flapper!
Michael : Yeah I know she gave it to me
a long stringy wet snot from either nostril mostly pinged onto walls
i pinged that wet flapper onto the wall
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."
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.