be off (one's) dot

To be crazy or mentally unsound; to be extremely foolish or foolhardy. I'm going to go off my dot if I have to hear that blasted song once more! I think Jane's grandmother is a little off her dot these days. You must be off your dot if you think that's a good idea!

Common Names:

Name	Pronounced	Usage
Tymoteusz	ti-maw-TE-uwsh	Polish
Dana (3)	-	Bulgarian, Macedonian
Mireille	mee-RAY	French
Kim (3)	KEEM	Vietnamese
Edwin	['edwin]
Basia (2)	-	Hebrew