An unrelenting person, often time considered very dangerous. This word has been used to describe people like Chuck Norris.
Man, that dude is a gerbo. you better watch out with him.
by Gabe Alaniz August 20, 2006
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×