Flap Jack

When a man slaps his ball sack against his leg to make a snapping noise.

Dude I just had the loudest flap jack; it sounded like a fucking gunshot!

by GANGSTASS December 13, 2009

Flap Jack

A cool show on cartoon network.
Chowder is cooler though.

"Let's watch Flap Jack !"
"Sure. Oh ! And there's an episode of Chowder next."
"FUCK YES."

by ImLame. January 24, 2010

Flap Jack

A man who stores tiny hotel liquor bottles under his armpits and/or fat flaps.

Have you got A mini Jack Daniels under your armpit? You Flap Jack.

by Syl Verona Platter January 6, 2011

flap jacking

when lying naked on ones bed and jumping on to your stomach then to your back resembling flipping a flapjack

I was flap jacking so hard my bed broke!

by MC triple T January 3, 2011

flap jack

when a man lifts a womans or fat kids tit and watch's as it flops saying "FLAP JACK"

"Dude did you see that girls boob bounce when I gave her that flap jack"

by frank the fat kid tom July 24, 2007

flap jack

when a guy shoots his load on his womans back, lets it dry, then peels it off and feeds it to the chick.

"dude i totally gave sally a flap jack last night"

by robgards September 17, 2007

flap jacks

extremely loose genitals that flap around every direction.

dude: wow, you got flap jacks

chick: i had 4 kids, and 2 of them were fat ass babys, what do you expect

dude:(silence).....

by abogie June 21, 2011