Definitions by Joe Jenco a.k.a Sir Flap Jack

flap jack 

one who flapjacks, relating to mooning flapjacking flapjack

he is such a flap jack, always flapjacking people.

flap jack by Joe Jenco a.k.a Sir Flap Jack October 25, 2007

flapjack 

To stick your bare ass out the window of a friends car while passing another driver because he/she is driving like a douchebag infront of or beside you. can be done on either side of car but works best when you are turning left and they are stopped at a red light.flapjacking flap jack

why did you flapjack him?
Because he was doin 35 n a 50 zone

flapjack by Joe Jenco a.k.a Sir Flap Jack October 25, 2007