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.


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
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