the male genitalia; often referred to as weiner, dick, dong, wang, and hotdog, among many others.
Hey (male name), come over here and stick your flapjack in my napsack.
by bj January 4, 2004
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sex move in which chick flat face down on surface man on top slapping his balls against her ass as he penetrates
I gave her the Flapjacks!
by JBut November 25, 2007
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the use of your fat balmy belly for jacking off yourself
"My girl said i was too drunk so i ended up flapjacking myself
by OxBLOOD December 7, 2007
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1.One who has sweaty sexual intercourse with another that weighs over 300 fucking pounds!

2. Flapjack- a adj. replacing "gay".
Intercourse with "Don Vito" from VIVA LA BAM would be an act of flapjackerism.

2. You're so flapjack.
by r0gu3 July 2, 2006
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The opposite of a fag hag, a straight bloke that hangs around with lesbians.
"It was busy in the gay bar last night, you couldn't get near the bar for flapjacks."
by moriarty October 18, 2012
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A creepy, unregistered sex offender who sneaks into young, unsuspecting girls houses and engages them in sexual intercourse. This particular kind of intercourse involves pancakes, syrup, berries or any other kind of pancake topping.
Dude, I totally pulled a Flapjacker on my gf last night!
by Pancake Fluffer March 19, 2011
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