When one fucks their partner in doggystyled position and then proceeds to pile drive their object/dick into the hole of their choosing..and upon completion..The jizzle is thrust upon thy partners back and you must proceed to beat on your chest as if you were the Great Donkey Kong!
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