Definition of “have bats in the belfry” - English Dictionary

british dictionary

“have bats in the belfry” in British English

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have bats in the belfry

old-fashioned disapproving

to be silly and slightly crazy and behave in a confused way

(Definition of “have bats in the belfry” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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