off one's rocker


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off (one's) rocker

Crazy; mentally unsound; extremely foolish. I'm going to go off my rocker if I have to hear that song one more time! I think Jane's grandmother is a little off her rocker these days. You must be 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.

off one's rocker

Also, off one's nut or trolley . See off one's head.
See also: off, rocker
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

off one's head, rocker, etc.

See go off one's head.
See also: off
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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