n. a very stupid person. (Rude and derogatory.) : He's a dumbshit. He can't do any better than that.
mod. stupid; dumb. (Usually objectionable.) : That was really a dumbshit thing to do.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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