a sign of an extreme boredom after typing qwertyuiopasdfghjklzxcvbnm, qwertyuioplkjhgfdsazxcvbnm, mnbvcxzasdfghjklpoiuytrewq and MUCH MORE. you just decided to do a wave.
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