Cooked

[Dave Wilton]

> Peter Richardson wrote:
>
> > Would this be related to _toast_?
>
> It might be. There's an obviously similarity of ideas. I suspect that
> "cooked" in this sense may well come from feeling excessively hot as
> the result of extreme exertion. I've found an Australian cite from
> the early 20th century that looks very much as though the latter is
> the formative idea.

I've never heard "toast" or "cooked" being used to mean exhausted, tired.
Rather my experience is that they both mean finished, in trouble, just
waiting for the hammer to fall. There's an element of expectation, the
negative consequences have not yet arrived, but cannot be avoided.