Similar to but not exactly like Donski. Doneski refers to when something or someone or many someones are done with/finished/over
My Grandmother is Doneskis. After he broke the tackle, Toomer was Doneskis. I ate so much, I was Doneskis. After the Grand Slam, the mets had a huge lead and the Phillies were doneskis.
If I don't pass this test I am doneski. Once Clemens walked into that courtroom, he was doneski.