The story
1899, from tendency of bats to fly around erratically, with “belfry” indicating “head, mind”.
Etymology from Wiktionary, CC BY-SA 4.0.
have bats in one's belfry
Today it means: To be crazy or eccentric. Full definition →
Today it means: To be crazy or eccentric. Full definition →
1899, from tendency of bats to fly around erratically, with “belfry” indicating “head, mind”.
Etymology from Wiktionary, CC BY-SA 4.0.