2
1. Completely trashed. Either high or drunk to the point where one's body cannot tolerate anymore.
2. A situation in which the individual is completely fucked beyond all belief.
(A) Did you see Tom at the party last night?
(B) Yeah he was donesauce.

(A) Man I havent studied for my final exam. I'm donesauce.
by Matt Vetter October 31, 2007
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