be off (one's) trolley

slang To be crazy and/or wacky. Usually used humorously. Don't listen to a word he says, he's off his trolley! You're off your trolley if you think that plan will work.

Common Names:

Name	Pronounced	Usage
Jeffery	['dʒefri]
Nerio	-	Italian
Staffan	-	Swedish
Tycho	TIE-ko (English)	Ancient Greek (Latinized)
Marley	MAHR-lee	English (Modern)
Cainan	KAY-nən (English), kay-IE-nən (English)	Biblical, Biblical Latin