Top Definition
when a person acts so obnoxious that if you were to measure their obnoxiousness it would be the size of a large dinosaur.
dude, don't invite eric over man, he's such an obnoxsaur!
by kurticus April 15, 2006

Free Daily Email

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

Emails are sent from We'll never spam you.