Top Definition
A guy comes in a girls mouth and with the load in her mouth, she takes a hit of weed and so does he.
I've been fizz knuckin' bitches.
by Alton Gamble June 11, 2010
1 more definition
injecting poprocks and soda into one's bloodstream for the purpose of being completely numb when you get an embarrassing tatoo.
i want to get that tatoo of a penis on my ear lobe but i think it would hurt. do you want to go fizzknuckin with me until we're numb?
by Tooyaa August 18, 2008

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