off (one's) dot

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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
References in periodicals archive ?
Pedro Silva-Lopez will help kick off DOT by speaking to the ongoing energy reforms in Mexico and what he sees in store for the future of deepwater development.
You probably thought the scriptwriters had forgotten all about Dotty's plot to bump off Dot, but they've finally remembered.
For us, it represents LDS' commitment to partnering with our many Fortune 500 clients who are spinning off dot.
B) burning off dots of pigment from the fruit's outer skin.