knucklehead(redirected from a knucklehead)
slang A stupid or foolish person. He's sweet, but he can be a real knucklehead sometimes. A: "Hey, boss? I think the machine got jammed again." B: "Oh, you knucklehead. This is the last time I'm letting you work it by yourself."
slang Stupid, foolish, or idiotic. I'd be much more excited about the camping trip if my sister's knuckleheaded boyfriend weren't coming with us. A: "Hey, boss? I think I put this thing in the wrong way." B: "Oh, of all the knuckleheaded things to do. The whole machine is jammed now!"
See also: knucklehead
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
n. a stupid person. Oh, I feel like such a knucklehead!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.