jizzerk

To gesture brief and aggressive phallic masturbation and climax to show one's displeasure with another person's actions or words, sometimes ending with a jizz-chuck towards the person in question. Often used as an aggressive and offensive gesture.

Karl: Man, I was so pissed off with their decision.
Hayley: What did you do?
Karl: I jizzerked all over the boardroom table and left, fuck them!
Hayley: Right on.