1 definition by smartboy369

Top Definition
An ancient giant hilarity that still stalks the earth today.
Friend 1: I just got pelted in the face with a sandal.

Friend 2: hahahaha!!!! Lolsaurus Rex!
by smartboy369 April 25, 2007
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.