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 seeTom at the party last night?
(B) Yeah he was donesauce.
(A) Man I havent studied for my final exam. I'm donesauce.
Originated from the word weaksauce and the word dope. Dope being something "cool," sauce being a mixture of it or a ton of it. Just another way of saying dope.
I saw the new BattleOfTheYear off the the net, that shit was dopesauce.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi