Top Definition
Someone who smokes (or "blasts") weed all the time, or someone who has been smoking weed for a long time.
Eric used to be such a Blastasaurus Rex, but now he done got himself religion.
by Shit_4_Brains June 02, 2007

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.