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.

Common Names:

Name	Pronounced	Usage
Santtu	SAHNT-too	Finnish
Earlene	URL-een	English
&Aelig;Lfno&Eth;	-	Anglo-Saxon
Thanasis	-	Greek
Rozalija	-	Lithuanian, Slovene, Croatian, Macedonian
Vince	VINTS (English), VEEN-tse (Hungarian)	English, Hungarian