go off (one's) rocker

(redirected from going off his 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: off, rocker
References in periodicals archive ?
This season's been a terrible shocker And the owner's going off his rocker Our wingers are slow, they have no pace And we're bottom of the league in last place
Dave Simpson, from Perth, thought he was going off his rocker when he saw a TV clip of the film Quadrophenia.