The act of shaving your head and then sticking the excess hair to the tip of your erect penis using the fat chicks faeces, before inserting the penis into the fat chicks unwiped ass.
Yo Jake, did you hear that Kian pulled a Dirty Kian on that fat chick at the bar last night
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