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
GrÍMhildr	-	Norse Mythology, Ancient Scandinavian
Ula	-	Polish
Adah	['eidə]
Birgit	BIR-git (Swedish)	Danish, Swedish, Norwegian, German
Riku (2)	ṙee-koo	Japanese
Vercingetorix	wer-keeng-GE-to-reeks (Ancient Roman), vur-sin-JET-ə-riks (English)	Ancient Celtic