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Fist someone's ass as hard as you can
Roger gave Steve the bulgarian knuckle fucker and the anaheim knuckle buster
by wyatt demmons February 11, 2026
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Typically when you finger a girl up to your knuckle. Sometimes when two men try and finger each other.
EX. I got fucker knuckled last night and it felt great!
EX. David and I need to try to fucker knuckle tonight.
by It's me bitch March 14, 2018
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As pertains to construction site or job site lingo
A worker or person who is constantly screwing around and challenging rules, playing pranks, smoking cigarettes inside the building, being a general pain in the ass.
Listen here Fucker Knuckle! Rules are rules! If I catch you smoking in my building again, I’m gonna call your boss and have you removed from the jobsite.
by Yellow Bucket 0659 December 30, 2021
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when a guy or friend decides to act like a complete douchebag, he is considered a kinuckle fucker.
Hey, suck my dick, "no!!!" Just the tip dude, "no!!!!" You kinuckle fucker.
by tcrews251 March 18, 2017
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When someone is about to get their lights punched out directly
"He about got knuckle fucked in the cock sucker after he said that scandalous shit"
by jonesinj January 1, 2012
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Knuckle Fucked

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It is when you clock a muther fucker in the face while you have your middle finger extended.
Dude this chauch was talking serious trash at the club last night, so I straight up Knuckle Fucked his ass.
by Freak Sho September 26, 2010
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Fucker Knuckles

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In the game of marbles, the positioning of the clenched hand, with the thumb inverted into the clenched fingers, which propels a marble toward the target group of marbles. So called because of the hand resembling the common masturbation technique utilized by men, and because of the thumbs insertion into the "hole" resulting from the clenched position of the hand and fingers.
When I was a shorty, I was the Fucker Knuckle champion of the block.
by ken taylor January 2, 2005
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