jackenheimer 

a term used while experiencing road rage. a person that acts like an idiot, and probably pisses you off.

Get out of the way, jackenheimer!

jackenheimer by L. King May 23, 2006

Jerkenheimer 

One who exemplifies the qualities of a "jerk"

"Jen's brother is such a jerkenheimer, why won't he ask me to prom?"

Jerkenheimer by Mergeman March 11, 2003