fucknuckle 

Similar to fuckhead, fuckwit, fuckstain

Fuck off Howard you pillow-biting fucknuckle

fucknuckle by Anonymous April 20, 2003

fuckknuckle 

A derisory term used to denote a particularly ineffective or annoying person or thing.

Refering to a Person: My fuck! What a useless cunt! I declare him to be an absolute fuckknuckle!

Refering to a thing: I'm not eating that processed fuckknucle Subway calls a sandwich!

fuckknuckle by Reginald Whattabone March 1, 2005

fucknuckler 

a fucking stupid shithead asshole

you stupid fucking FUCKNUCKLER!

fucknuckler by Richard Fury January 16, 2008

fucknuckle 

A stupid or repungnant person. (20th cent origin - possibly Australian)

"Pshaw! You truly are are fucknucle, Prime Minister Howard!"

fucknuckle by Schteve March 17, 2003

fucknuckle 

A person who is really annoying, basically a fun way of saying a dickhead.

Maria kept following me so I called her a fucknuckle.

fucknuckle by nyommmmm June 19, 2016

Fucknuckle 

When someone is a damn fucking idiot. (Typically used in Australia)

Jimmy: Can Pigs Fly?
Kyle: You absolute fucknuckle!

Fucknuckle by Aussiebummer69 July 14, 2016

Fucknuckle 

An idiot who digs (looks) into things that should not be dug (looked) into, only to find out they're wrong about why they went in search and also in what they found.

Stupid Fucknuckle got it wrong!

Fucknuckle by Aj Harvey May 17, 2008