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
Cian	KEE-an, KEEN	Irish, Irish Mythology
Lelle	-	Swedish
Mahulena	-	Czech
Gaios	-	Ancient Greek, Biblical Greek
Lysimachos	-	Ancient Greek
Terrie	TER-ee	English