dimwit(redirected from a dim-wit)
One who is stupid or foolish. Geez, he keeps pulling on a door that's clearly marked "push"—what a dimwit.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. an oaf; a dullard. (Also a rude term of address.) Oh, Dave, you can be such a dimwit!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.