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.
by Smitty2112 January 08, 2010