-Bay Area way to describe as an adjective something extreme.
My Jordans is dumass clean.
by Leemo79 September 28, 2006
The University of Massachusetts in Dartmouth.
Person 1: I graduated from DUMass.

Person 2: That seems appropriate.
by Abbietimesamillion September 13, 2006
short for dumb ass
that chick is a dumass
by hehe June 09, 2003
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