1. Home
2. Idioms
3. off (one's) dot

off (one's) dot

---

---

off (one's) dot

Crazy; mentally unsound; extremely foolish. 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!

See also: dot, off