1. A misunderstanding of the Notorious B.I.G. lyric Born-sinner.

2. An extremely large dinosaur that survived extinction and is waiting to come back.
Bornzilla, the opposite of a winner, remember when I used to eat sardines for dinner.

I saw a Bornzilla yesterday, it was huge!
by Elsadoit April 9, 2009
Get the Bornzilla mug.