After three girls enter your dorm room and begin talking to you, this is what happens after fuckn knuckles enters your room:
Girls: hey(to fuck knuckles). do you live here too?
Fuck Knuckles: (does the double arm pump and screams in a loud gay voice, like a white guy trying to be lil john) YEAAAAAH!
Girls: (they promptly leave after giving a look of disgust to fuck knuckles)
Two guys who live in the dorm room: hey fuck knuckles, thanks a lot. (the guys begin to bumrush fuck knuckles and beat the shit outta him for being such a douche)
Girls: hey(to fuck knuckles). do you live here too?
Fuck Knuckles: (does the double arm pump and screams in a loud gay voice, like a white guy trying to be lil john) YEAAAAAH!
Girls: (they promptly leave after giving a look of disgust to fuck knuckles)
Two guys who live in the dorm room: hey fuck knuckles, thanks a lot. (the guys begin to bumrush fuck knuckles and beat the shit outta him for being such a douche)
by Brad Kronik December 31, 2005

This particular knuckle on this particular hand has seen more ass than you will in your entire life-a genuine fuck-knuckle
by Breadstick Octahedron October 9, 2017

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
