bats

[ bats ]
/ bæts /

adjective Slang.

insane; crazy: He's gone bats.

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Origin of bats

First recorded in 1915–20; see origin at bat2, -s3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for bats

British Dictionary definitions for bats

bats
/ (bæts) /

adjective

informal crazy; very eccentric

Word Origin for bats

from bats-in-the-belfry (sense 2)
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