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crackbrain

[krak-breyn] /ˈkrækˌbreɪn/
noun
1.
a foolish, senseless, or insane person.
Origin
1560-1570
1560-70; crack(ed) + brain
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for crack-brain

crackbrain

/ˈkrækˌbreɪn/
noun
1.
a person who is insane
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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13
15
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