When two people hit their knuckles together (when hands are in a fist). Many times used instead of a handshake or high-five.
by Becky24 October 19, 2005
A synonym to pound it. It is a fist to fist contact in a congratulatory way. Often used to replace a high 5 or shaking hands.
Steve: Hell yeah! This Euro-trip rocks!
Jerry: I know, check out that european ass!
Steve & Jerry: Knucks!
Jerry: I know, check out that european ass!
Steve & Jerry: Knucks!
by Benormous April 19, 2006
The action of touching two knuckles..basically a sign of coolness. Also can be used in place of 'the Eff word' :p
by Alyssa Knucker November 4, 2009
by $knucks$ $bux$ July 3, 2009
An abbreviation of "knuckle children", which is a colloquialism for semen expelled during masturbation.
by defaultuser1 April 27, 2011
by Big Bizniz March 15, 2008