Fucknuckle

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

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

by Aussiebummer69 March 22, 2016

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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!

by Aj Harvey May 17, 2008

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Fucknuckle

to screw something up.

Whenever chet works on his bike he always pulls a fucknuckle.

by Dick Fitzwell July 13, 2004

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fucknuckle

a wanker, an idiot, a jack-off. technically someone who fucks their knuckle, i.e. their hand.

instead of calling someone "fuckin' wanker" or "jack-off", you might call them "fucknuckle" - quite offensive.

by Macalito January 26, 2006

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fucknuckle

n.used to describe someone who is an arsehole or is very stupid. mainly used in australia and newzealand, as far as i know. a negative desription of said person.
similar to fucktard
the coupling of two english words fuck and knuckle

'john howard is a fucknuckle'
'yeah,what a fucknuckle'

by leader for the opposition October 25, 2006

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