crackbrain


crack·brain

noun \-ˌbrān\

Definition of CRACKBRAIN

:  an erratic person :  crackpot
crack·brained \-ˈbrānd\ adjective

Examples of CRACKBRAIN

  1. <once a brilliant dancer, he died a crackbrain in a mental institution>
  2. <a crackbrain who wore bedroom slippers to the grocery shop>

First Known Use of CRACKBRAIN

circa 1570

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