Fuck-Knuckle

Brick-like intellegence coupled with new levels of arse-holiness.

My boss is a real fuck-knuckle

by morningwood faerie February 5, 2003

Fuck-Knuckle

The knuckle of the hand that was used to fist the dirty asshole of another man

This particular knuckle on this particular hand has seen more ass than you will in your entire life-a genuine fuck-knuckle

by Breadstick Octahedron October 9, 2017

Fuck Knuckle

n, a noun to describe the type of person who upon seeing you immediately want to fuck right in the face with your knuckle,

v, a Fuck Knuckle is a person who would benefit from having their face rearranged on a permanent basis using only a fist

Sean: "Jo do you see that Fuck Knuckle across the street?"

Jo: "Yeah go put his face in a new shape, He's a Fuck Knuckle!"

by The Fairy Sesh Mother November 26, 2019

Fuck Knuckle

General dickhead. See also Fucker, Asshole, Cunt et al.

That's not my wife you stoopid fuck knucle!

by Izzy Stewart April 8, 2003

Fuck Knuckle

Can be used to describe a person who is generally a dickhead, or used when something goes wrong.

A) You are such a fuck knuckle

B) Fuck knuckle!

by ~primakat~ September 1, 2005

Fuck knuckle

An idiot, a dumb person.

Wow jones was a fuck knuckle to jump off that roof!

by Hayden The Sexy April 14, 2006

Fuck Knuckle

Someone who is intensely stupid, useless, or just plain ignorant.

"You can't clean a toilet with a rake, you stupid fuck knuckle"

by MichaelMayfall December 29, 2014