(one) is off (one's) rocker
(one) is off (one's) rocker
One is crazy or mentally unsound or extremely foolish or foolhardy. I think Jane's grandmother is a little off her rocker these days. You're off your rocker if you think that's a good idea!
See also: off, rocker
Farlex Dictionary of Idioms.
- be off (one's) rocker
- (I've) got to take off
- be off (one's) chump
- be off for (something)
- be off for sth
- be off (one's) trolley
- (Now) where was I?
- be off the wall
- be off (one's) nut
- be well off for something