off one’s rocker

mod. silly; giddy; crazy. (see also rocker.) That silly dame is off her rocker.

Name	Pronounced	Usage
Bader	['beidə]
Mordikai	MAWR-də-kie	English (Rare)
Kimberley	['kimbəli]
Tendai	-	Southern African, Shona
Vitalik	-	Russian, Ukrainian
Mckenzie	mə-KEN-zee	English (Modern)