dumb ox(redirected from a dumb-ox)
Someone who is large in size and is apt to behave stupidly. Usually used of a man. Can you believe that dumb ox is still pushing the door marked "pull"? Yeah, he's a linebacker for the football team, but he's no dumb ox—he's at the top of his class academically.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a large and stupid person, usually a man. Do you think I’m going to argue with that big dumb ox?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.