Definitions by TreEtan

Grobmaul 

The use of one's penis as a club or mace to harm the elderly.

Guy 1:Dude sorry about your grandma dying.
Guy 2:It's alright.
Guy 1: How'd she go?
Guy 2: Got some viagras and gave that bitch a grobmaul.

Grobmaul by TreEtan March 20, 2009