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

The diagonal slice on the top of the corner pocket on a pool table.

I would have cleared up if I hadn't hit the fucknuckle

by Marky Marky Pritchmeister August 30, 2005

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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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rusty fucknuckle

typically the second knuckle of your ring finger after finger fucking a womans tight puss with your pointer and middle fingers only; results from getting poo from her rectum hole on it

Celeste is great. First she slobbed my knob and gobbled the baby gravy then she licked my rusty fucknuckle clean of her week old ass mayo/ fudge stank combo. AND, I posted it on Youtube for all to see.

by cornfritter March 29, 2011

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