When you hit some on the head, with your hand in the way a monkey walks on it's hands.
Michael Kyle: "When Calvin gets here...I'll use THE MONKEY KNUCKLE!"
Junior: "The what?"
Micheal: "THE MONKEY KNUCKLE! you know...(bops Juniors head with the Monkey Knuckle)
When fisting someone's anus, and you pull your fist out covered in poop.
I can't believe they didn't clean themselves enough to prevent me from getting monkey knuckles.
1. Buldge made by skin-tight underwear.
2. Showing of male goods with tight pants or shorts worn around lower chest.
3. Male version of camel toe.
see also: snake and eggs
That homo on his skates was showing his monkey knuckle.
In a fight, hitting somebody with combo after combo or hitting your oponent from all sides; on the head, in the gut, behind them, ect.
When a monkey fights they wild out hitting you any way they can
He got knocked out after getting hit with that monkey knuckle. You can't block the monkey knuckle.
Like a camel toe but much smaller often referred to as a shetland vagina
Did you see her monkey knuckle? It was the smallest vagina I've ever seen.
A person who has limited brain power. Not retarded, but very unaware. A self induced simpleton, usually a pothead / stoner type move.
i.e. kin to a primate. Neanderthal (knuckle dragger)
mildly derogatory insult
"Monkey knuckle!, Why would you wash your bosses car with an industrial pressure washer?