To be whacked with a fish.
I'm going to fwack you!
by Kel- April 30, 2005
Something to say when you are very angry.
"Ah Fwack I left my keys in the car!"
by myfajahas400children December 28, 2009
Fuck: in a way to eliminate trouble
Yeah I'd fwack her/him/it
by Dylan November 19, 2003
The act of hitting someone with your penis in a forceful manner. Usually performed facing your target, in a trebuchet motion.
"Dude, stop fwacking me! I'm trying to sleep!"
by oranggejuice November 13, 2014

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