jerk punch 

signature move of naweed. punching som1 in a downward jerking motion making sure the knuckles hit first causing extreme pain and usually a dead arm, called the jerk punch because of the jerking off motion of the downward punch

OMFG naweed jerk punched me and i cant fucking feel my arm omg wtf

jerk punch by weedsterandzach November 12, 2010

Jerk Punch 

Made famous by an anonymous source, it is the act of punching someone in the arm from up to down in a jerking motion with your knuckles resulting in a dead arm and possible brusing. Used to show displeasure after an insult that you have no comeback for.

Joe: Get the hell out of here gaylord.
Anonymous: <Jerk punch> Fuck you!
Joe: Dammit! i hate when you do that, prick!

Jerk Punch by ANARCHY95 November 19, 2010

Jerkmunch 

A jerk who possesses or exemplifies munch-like qualities, often to the chagrin of others.

You sir, are a Jerkmunch.

Jerkmunch by Jerkmunch-kinland October 26, 2012