rattlebrain

[ rat-l-breyn ]
/ ˈræt lˌbreɪn /

noun

a giddy, empty-headed, talkative person.

RELATED WORDS

Origin of rattlebrain

First recorded in 1700–10; rattle1 + brain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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