An Insult to use when you want to hurt someones feelings. A low life's feelings in particularly. You make the relevancy that their life is meaningless and should have never been born.
You No BUsiness being Born Bitch .... youre so lazy and have no life.
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