go off (one's) rocker

(redirected from going off her rocker)

go off (one's) rocker

To become crazy or mentally unsound; to become extremely foolish or foolhardy. I'm going to go off my rocker if I have to hear that blasted song once more! I think Jane's grandmother has gone off her rocker lately. You must have gone off your rocker if you think that's a good idea!
See also: go, off, rocker
References in periodicals archive ?
In Family Affairs Sadie is going off her rocker. She' s befriended Simon's mother, and invites her round for dinner.Then she claims there are bodies lying on his grave in the woods - and tells the police.