off one’s rocker

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

Name	Pronounced	Usage
Lucie	luy-SEE (French), luw-TSI-e (Czech)	French, Czech
Adalyn	AD-ə-lin	English (Modern)
Ferris	['feris]
Eliott	EL-ee-ət	English (Rare)
Husein	-	Bosnian
Fereydoon	-	Persian