An individual who feels that he is the toughest guy around (either in reality or on the Internet). These people usually walk with their arms sustained straight down and three feet from their torso.
Look at the guy. I bet his driver's liscence says "Buff McMuscles" or something.
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