To use the knuckles of the hands of your partner as a kind of stimulant for the male genitalia. proper procedure would be to cross your wrists so that the back of your hands are facing one another and to rub your hands back and forth as if to be rolling pizza dough.
by Jonathon AAA June 11, 2008
Guy 1 "i was at the bar chillin talkin to this girl after the band played, then this dude looked at me like he wanted a problem."
Guy 2 "what happened?"
Guy 1 "I had to knuckle up then his boy pulled him back."
Guy 2 "what happened?"
Guy 1 "I had to knuckle up then his boy pulled him back."
by J Fri May 12, 2008
by SlOtHs January 28, 2011
When a male continuously strokes the clitoris of a female vagina with his knuckles, while at the same time he masturbates.
Last night me and my boyfriend had sex at the montage. As he pulled out he began to masturbate and give me courtesy knuckles. It was a blast!
by Mr.ALegend February 08, 2011
When a male continuously strokes the clitoris of a female vagina with his knuckles, while at the same time he masturbates.
Last night Andrew and I had sex at the montage. As he pulled out he began to masturbate and give me courtesy knuckles. It was a blast!
by Mr. Legend February 06, 2011
by vikingfan26 September 16, 2009
by Skin bone May 21, 2011