Knuckle Fucker

When Ethan won’t shut his mouth

“Hey Ethan, Stop being taking and being such a knuckle fucker”

by KoolllllZzzz July 1, 2025

Bulgarian knuckle fucker

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

Fucker knuckle

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

Fucker Knuckle

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

knuckle fucked in the cock sucker

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

Knuckle Fucked

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

knucklefucker

A man who masterbates

John knuclefucked himself before he went to sleep.

by Dan March 2, 2005