Largely, stands for kicking one's ass real bad, yet specifying one's groin area ("...your knot") for particular intensification of the utterance.
For steppin' on the stage I should rock your knot (from the '8 Mile' movie)
by trank January 28, 2008
"Rock your knot" means to "nod your head".
"We'll reign on your brain and rock your knot" (from Run-DMC's song "King of Rock").
by an Lóchrann Uaithne November 08, 2015