Top definition
One who combines the attributes of a knucklehead and a fucker.
What the hell! Are you some kinda knucklefuck?
by David Nygaard January 30, 2005
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2
A term used to describe a person who is a general dumb-ass.
"Ernest is a real knuckle fuck" or "What a fucking knuckle fuck"
by nutsmell March 23, 2005
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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3
to punch or hit, especially in anger.
Im gonna knucklefuck you if you dont shut the hell up!
by omegavolt June 09, 2003
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Donkey Punch Plush

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4
i knuckle fucked three chicks and a dude last night.
by holla at yall July 27, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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5
The act of sexy punching (fisting).
Margaret, come here. I wish to give you a knuckle-fuck
by L1feLus7 December 03, 2009
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Golden Shower Plush

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6
When a guy's dick is soft so he squeezes the base and tries to fuck till its hard. While holding the base he hit's the other person repeatedly with his knuckles.
Well if it goes soft we have to take a break. I hate when a guy tries to knuckle fuck me. I end up with bruses.
by Wonder77 December 25, 2016
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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7
its not punching, its when you fuck someone hard in the face....with your knuckles
johnny t-bagged my roommate and then left with the pizza so when he came back looking to borrow some money, i knuckle fucked the shit out of his face
by diego delavega June 30, 2006
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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