mod. stupid; dumb. (Usually derogatory.) : That was a real dumb-ass thing to do. , That is so stupid-ass!
n. a stupid person. (Rude and derogatory.) : Don't be such a dumb-ass! You know what I mean!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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