An intimidation tactic.
To stand, extend the arms with the elbows and wrists bent. Proceed to wiggle the hips and open and close your fingers in a claw-like fashion.
Guy 1: Did you hear about Kai? He got into a Strufflet.
Guy 2: Damn, where?
Guy 1: At the gay bardowntown.
Guy 1: I hear Strufflets are common over there...