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
Tommi	TOM-mee	Finnish
Aimi	ah-ee-mee	Japanese
Calum	KAL-um	Scottish
Neoptolemus	-	Greek Mythology (Latinized)
Zanna	ZAN-ə	English
Simonides	-	Ancient Greek