by Englishdude January 30, 2010

I will never shake hands with my nephew Johnny because he constantly has fuck knuckles and seems to be always jacking off.
by sturtle September 9, 2014

a fuck knuckle is like a dick knuckle or a fucktard
basically its a person that has the IQ of a swamp flea
basically its a person that has the IQ of a swamp flea
by toostr82bgay December 23, 2004

a large mass around the penis. resulting from torn blood vessels when a penis is "broken" or bent while erect. often referred to as dick gristle.
by Mrewood November 5, 2010

Someone driving at such a low rate of speed as to piss off the driver of the huge truck behind them. Usually used to verbally encourage said person to hurry the fuck up.
by KChute November 8, 2007

by 1oftheBOYS February 12, 2021
