Top Definition
Anything that is larger or longer than expected.
In conversation:
Girl: I didn't think that wave was going to hit the rocks. It was bigger than I expect.
Boy: I agree, it was monstraus.

or

They were not kidding when they said "it ain't over til the fat lady sings!" She is MONSTRAUS!

big large huge gigantic unexpected long
by r@!n3pr3$t0n August 10, 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.

×