off one's rocker

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

Name	Pronounced	Usage
AmbroŻY	-	Polish (Rare)
Yared	-	Biblical Hebrew, Eastern African, Ethiopian
TiarnÁN	-	Irish
Orr	[ɔ:]
Anke	AHN-kə	Low German, Dutch
Dazbog	-	Slavic Mythology