gumbyhead(redirected from a gumby-head)
slang Someone whose actions are typically silly or stupid. Geez, he keeps pulling on a door that's clearly marked "push"—what a gumbyhead.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. someone who does stupid things like the character, Gumby. Don’t be a gumbyhead. Don’t drink and drive.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.