bizerkowitz
A play on the word bizerk; combined with the Son of Sam, David Berkowitz to describe a state of insanity. Most effectively used as a verb, but may also be used as a noun.
Ex: Hey, did you see Jimmy go bizerkowitz yesterday after that dude cut him off??
or
Hey, check out Bizerkowitz over there freakin out on the cashier.
or
Hey, check out Bizerkowitz over there freakin out on the cashier.