To fart or flatulate on a person's leg.
My boyfriend flap jacked me, and it smelled terrible.
by A. Hermann February 07, 2007
The act of putting ones pussy lips on anothers forehead
Man she got so loose that she flapjacked me.
by DamioNIN October 21, 2013
A variation on a pwn created at tl/fwi forum which constitutes the ownage or pwn of a poster who has been gotten to
That wasnt just pwnage, he's been flapjacked!
by =ID= July 08, 2009
When your're wiping your ass, and you check the paper to see if you're clean. It's look clean but a flap of the toilet paper folded over the poop. So you get up and go about your day thinking you're clean. Then you get home and see that your underwear is ruined. You got jacked by the flap. You got flapjacked.
*taking off clothes after a long day* *sees stain in underwear* Oh man! I must have gotten flapjacked.
by SpartanCinema March 25, 2016
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