conehead(redirected from a conehead)
1. A stupid person. Did you hear that guy's ridiculous question? Geez, what a conehead.
2. Someone who is very intelligent, but with very narrow interests. Smart as he is, I doubt he'll be able to help you change your tire—he's a real conehead.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. n. a fool; an oaf. You can be pretty much of a conehead yourself sometimes, you know.
2. n. an intellectual; a pointy-head. They build fences around universities to keep the coneheads in.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.