Top Definition
A Sergeesaurus is the nerdy dinosaur on Land Before Time.
Sergeesaurus - a blue longneck dinosaur with an obession with Dianasaures and telescopes.
If your friend is being nerdy ;
Dude 1 *studying for 5 exams*
Dude 2 yoo dude , your such a Sergeesaurus
by msspurrrfect September 25, 2011

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.

×