A fork of Rural Dictionary
Fuck knuckles are when a teenage boy has been masterbating and constantly has jizz on his knuckles
I will never shake hands with my nephew Johnny because he constantly has fuck knuckles and seems to be always jacking off.
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!"
General dickhead. See also Fucker, Asshole, Cunt et al.
That's not my wife you stoopid fuck knucle!
Brick-like intellegence coupled with new levels of arse-holiness.
My boss is a real 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!
Someone who is intensely stupid, useless, or just plain ignorant.
"You can't clean a toilet with a rake, you stupid fuck knuckle"