The single most versatile word in the history of the world. It basically means "done", but it can refer to many diverse situations. "Keeshed" can mean Drunk, Full, High, Tired, Passed Out, Screwed, or any number of other things.
When John and Austin came back from downtown they were so keeshed that they fought in the hall for 45 minutes before passing out on the futon.
verb. to be 'kershed' is to be within receipt of social security benefits or to be commonly known as 'fucked' - ultimately pertaining from the orig. source of cockney rhyming slang 'kershaw' ie. 'poor' - see 'po'' 'gypo' or even'giro scum'(a northern colloquialism) for further reference.
As in " It was such a terribletragedy. He had so much much to give, but alas, he kershed his life away..."
Keisheena or Sheena is one of the best people in the world. She will keep you company in hard times and will love you through anything. She’s a wonderful wife, mother, and friend. She will always give you good advice. She’s a very powerful woman though she may not acknowledge it at times. Her words have power. Be thankful for her and never let her go because these kind of people are rare. Just like her name.