Search:

Yes.
But what does пшолты or пшлаты have to do with "hi" and "bye"?.. I'd say it rather means "leave me alone" (at least in the "Кукушка" context).

Not rude at all, I'd say. Just informal.

Paka (пока) means "bye" not always. It can mean "while", "until", "so far", "meanwhile", "as now", etc, depending on context.

Budit (будит) means he/she/it wakes up
There is another word that...