Fuck-Knuckle 

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

My boss is a real fuck-knuckle

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

Fuck-Knuckle by Breadstick Octahedron October 9, 2017

Fuck-knuckle 

Look up Donald Trump on Google if you are unfamiliar. (Absolute retarded fuckwit cockhead).

What a fuck-knuckle.

Fuck-knuckle by #CoronaTime_420_69_51 March 24, 2020

Fuck-knuckle 

A more poignant or harsher word for the abusing the common wanker/tryhard/yuppie douche-canoe

You're porno movies are on the shelf next to that fuck-knuckle with his shirty goatee in the corner

Fuck-knuckle by Marty's ass September 25, 2020

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!"

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!

Fuck Knuckle 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!

Fuck Knuckle by ~primakat~ September 1, 2005