(one) is off (one's) rocker

(redirected from he's off his 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. © 2015 Farlex, Inc, all rights reserved.
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