(idiomatic, intransitive) To be crazy or eccentric.

(simile) With crazy or excessive intensity or speed.

Craseonycteris thonglongyai, a small bat with a distinctive pig-like snout, found in western Thailand and southeast Burma.

plural of Kitti's hog-nosed bat

Hipposideros semoni, a bat in the family Hipposideridae, found in Australia and Papua New Guinea.

A species of mouse-eared bat, Myotis myotis, native to Europe.

(cricket) To leave the wickets without having been put out.

Third-person singular simple present indicative form of have bats in one's belfry

simple past tense and past participle of have bats in one's belfry

present participle of have bats in one's belfry