Somebody who did something stupid (like have sex with a large girl) while under the influence of the dunkel (an amazingbeer).
Jack - Did you sleep with Mary last night, you brought her home?
Kevin - Yeah, I don't know what I was thinking.
Jack - You got totally dunkeled.
Kevin - Three liters of dunkel was a bad idea.
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