ништяк

Etymology
From Fenya criminal argot. Borrowed from and from. Now common in colloquial speech.

Noun

 * 1) tasty (mostly sweet) food; cookie
 * 2) food that has been thrown away but is going to be eaten by someone else (mostly due to lack of money and not proper freeganism)
 * 3) something regarded as good and gotten for free

Predicative

 * 1) it is very good