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birdbrain

[burd-breyn]
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noun Slang.
  1. a stupid, foolish, or scatterbrained person.

Origin of birdbrain

First recorded in 1920–25; bird + brain
Related formsbird·brained, bird-brained, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for bird-brained

bird-brained

adjective
  1. informal silly; stupid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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