1 definition by Jengo Starr

A term or exclamation used to describe something that is not just good, not just amazing, but something beyond.
as an exclamation:
-yea ill send you a free three n'half. consider it a sample.
-Boomass!
or a sentence:
-this bud is boomass.
by Jengo Starr April 09, 2007

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