be off (one's) nut



be off (one's) nut

slang To be crazy and/or wacky. Usually used humorously. Don't listen to a word he says, he's off his nut! You're off your nut if you think that plan will work.
See also: nut, off

Common Names:

NameGenderPronouncedUsage
Pugh[pju:]
Agafyaah-GAH-fyahRussian
Hodel-Yiddish
WoodyWUWD-eeEnglish
Hed-Hebrew
Gerfrid-Ancient Germanic