Top Definition
Any person that is commonly considered lame, annoying, ugly, or just unwanted.
Jim: So John won't stop bugging you, huh Nick?
Nick: Yeah, he's such a crustabust.
by Jimnastix July 20, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×