- nutter (n.)
[nutter 词源字典]
- "one who gathers nuts," late 15c., from nut + -er (1). Meaning "crazy person" is British slang, 1958, from nut + -er (3). Nuttery "mental hospital" is attested from 1931; earlier it meant "place for storing nuts" (1881).[nutter etymology, nutter origin, 英语词源]