have bats in one's belfry

Verb

idiomatic intransitive

(idiomatic, intransitive) To be crazy or eccentric.

Japanese Meaning

正気でなく、奇妙な行動を示す / 狂っている、気が狂っている状態にある / 風変わりで常軌を逸している

To have bats in one's belfry means to be crazy or eccentric.

この表現は、正気ではないことや風変わりであることを意味します。

Sense（1）

(idiomatic, intransitive) To be crazy or eccentric.

Anyone declaring himself Emperor of San Francisco probably had bats in his belfry.

has bats in one's belfry

（ present singular third-person ）

having bats in one's belfry

（ participle present ）

had bats in one's belfry

（ participle past ）

had bats in one's belfry

（ past ）