bats

[bats]

adjective

Slang.

1. insane; crazy.

   He's gone bats.

bats

/ bæts /

adjective

1. informal,  crazy; very eccentric

Word History and Origins

Origin of bats¹

First recorded in 1915–20; bat ², -s ³

Word History and Origins

Origin of bats¹

from _{bats-in-the-belfry} (sense 2)

Example Sentences

The results mirrored a 2020 study of vampire bats showing that newcomers also test the waters, slowly progressing from grooming relationships to more substantial food-sharing partnerships with trusted companions.

Read more on Science Daily

After Dustin makes it through the gate back into the real world, Eddie stays behind to drive the bats away and buy the group more time.

Read more on Los Angeles Times

Cartoons on the TV, with Darius watching intently; baseball bats, books, footballs, blankets scattered here and there; music playing quietly from a stereo.

Read more on Literature

If Brook, now England's vice-captain, bats like he did on Friday there would be little point in him having another knock on Saturday.

Read more on BBC

These are women whose careers were built playing cricket in village lanes, with second-hand bats and seam-less balls and many doubting their ambition because of their gender.

Read more on BBC