Also found in: Acronyms.
A stupid, silly, or naïve person, usually used in an affectionate or endearing (if condescending) manner. Ah, don't mind him; he's just a dumb bunny, but he is harmless. Oh, my darling! You are the sweetest dumb bunny I've ever known.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
A stupid person, as in She was a bit of a dumb bunny but very nice. This expression implies some toleration or endearment of the person. [c. 1920]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n. a stupid person; an oaf. Who’s the dumb bunny in the double-knits?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.