off your nut

off (one's) nut

Crazy or insane. I think you're off your nut for changing careers this late in life, but, hey, follow your dreams. He's off his nut if he thinks he can get that engine fixed by this weekend.
See also: nut, off

off your nut

out of your mind; crazy. informal
See also: nut, off

ˌoff your ˈnut

(British English, informal, spoken) crazy: Is he completely off his nut?
Nut is an informal word for your head.
See also: nut, off
References in periodicals archive ?
So, if you'd told me back in 1992 that I'd have been cheering on a John Major TV appearance, I'd have assumed you were a) the world's worst clairvoyant or b) completely off your nut.
If you'd said then we'd be playing together now, I'd have said you were off your nut.
lSome style, Big Man - off your nut and not scared to tell the world.
If you'd said then that we'd be playing together now, I'd have said you were off your nut.
TOLD Pete to chat to Lisa, "What's the worst she'll do, rip off your nuts and shove 'em down your