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
Farlex Dictionary of Idioms.
- off (one's) nut
- off one’s nut
- off your nut
- be off (one's) trolley
- off one's head, rocker, etc.
- be off the wall
- (I've) got to take off
- be off (one's) chump
- do (one's) nut
- do your nut