off one's rocker

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

Name	Pronounced	Usage
Karpos	-	Ancient Greek, Biblical Greek
Xurxo	SHOOR-shaw	Galician
MÁIre	MOI-ra	Irish
Timoteo	tee-mo-TE-o (Italian, Spanish)	Italian, Spanish, Portuguese
Lavra	-	Slovene
Fox	[fɔks]