dumb bunny

dumb bunny idiom
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.

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