Top Definition
person who gives knucks(pounds, fist bumps, dabs,..etc) too way to many people
BRO! last night Caleigh gave at least fifty pounds at the party, what a knuckslut!
by pussydome June 24, 2010
a) a person who fist-bumps multiple partners in rapid succession

b) someone who sees two people about to pound it and decides to quickly bump their fist into both of theirs, making for a three-way.
Kristen and Carly just pounded it. It was girl on girl knuckslut action!

She's such a knuckslut. She gave knucks to everyone in the room before she left.
by Reptaaar June 26, 2010
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