slang A stupid, foolish person. An informal shortening of "stupid head." I can't believe I mixed those up. I can be a real stupehead sometimes! You must be a real stupehead if you believe that.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a stupid person; a blockhead. (see also stupe.) What a stupehead!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.