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When two people hit their knuckles together (when hands are in a fist). Many times used instead of a handshake or high-five.
Upon seeing friend...
"Hey what's up brother?"
Action: Knucks.
by Becky24 October 19, 2005
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6
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!
by Benormous April 18, 2006
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7
The cool way of saying knuckles. An awesome way to ask your friends for a fist touch :)
You should just KNUCK her in the face.

Give me KNUCKS bro.
by smileyshelbz December 25, 2009
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