off one's rocker

Also, off one's nut or trolley . See off one's head.

Name	Pronounced	Usage
Pollock	['pɔlək]
Itsaso	-	Basque
Liesel	LEE-zel	German
Sati	-	Hinduism
Leah	LEE-ə (English)	English, Hebrew, Biblical, Biblical Hebrew
Aristeidis	-	Greek