The act of flipping a womans breast up, accompanied by the word "Flap!", then slapping the breast sideways while saying "Jack!".
by Doodwashere January 22, 2009

Damn girl, you're flapjacking again.
by AlexaaMmeghan June 12, 2011

by Kelsthebom July 15, 2019

by Jacob Perrotta December 28, 2004

by flyinghorses January 03, 2011

A variation on a pwn created at tl/fwi forum which constitutes the ownage or pwn of a poster who has been gotten to
by =ID= July 08, 2009

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