off one's rocker

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

Name	Pronounced	Usage
Tancredi	-	Italian
Lorens	-	Swedish, Norwegian, Danish
Delfina	-	Italian, Spanish
Hiroko	hee-ṙo-ko	Japanese
Aldona	-	Lithuanian, Polish
Prochoros	-	Ancient Greek, Biblical Greek