dumbass(redirected from a dumbass)
1. noun, rude slang Someone who is very stupid. Can you believe that dumb-ass is still pushing the door marked "pull"?
2. noun, rude slang Describing someone or something that is very stupid. No, we can't do that! Geez, what a dumb-ass idea.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. mod. stupid; dumb. (Usually derogatory.) That was a real dumb-ass thing to do. That is so stupid-ass!
2. n. a stupid person. (Rude and derogatory.) Don’t be such a dumb-ass! You know what I mean!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.