go off (one's) dot

To become crazy or mentally unsound; to become 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 has gone off her dot lately. You must have gone off your dot if you think that's a good idea!

Common Names:

Name	Pronounced	Usage
Zaahir (1)	-	Arabic
NicÉPhore	-	French
Franciska	-	Hungarian
Yoshiyahu	-	Biblical Hebrew
Seraphina	-	English (Rare), German (Rare), Late Roman
Vibiana	-	Ancient Roman