Too much fun, substance unknown AKA a drug overdose. Also someone who is found passed out in your domicile after a party due to massive intake of a substance, which you were not there to witness, especially if they are surrounded by paraphernalia.
Guy 1 - Dude, why is there a girl passed out on the coffee table?
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