Definition of bats in English:

bats

Line breaks: bats
Pronunciation: /bats
 
/

adjective

[predic.] informal , • dated
  • (Of a person) mad.
    More example sentences
    • I know she's good at getting press (partially because she's really good at marketing her fair-weather femininity), but it's obvious that she's bats.
    • We realize in short order that she's bats, and that simple observation steals a great deal of power from the proceedings.
    • I have in fact stated a number or times that I think he's bats.

Origin

early 20th century: from the phrase have bats in the belfry (see bat2).

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