1)One who stares at a man's crotch
2)Somebody with shifty eyes in the locker room or lav.
3)Somebody who uses trained hawks to wreak havoc on the male population.
4)Somebody who is drawn by the unquestionable allure that is Volvo and harasses their owners out of (transparent) jealosy.
Yo! Quit your knobhawking and get away from my Volvo.