basically ''Sonic The Hedgehog Hair'' means when you go into school and then your hair looks likesonic.
and then youre embarrased beacuse your teacher said you have sonic hair and every kid in the planet is laughing.
:[
person 1: hey you got Sonic The Hedgehog Hair.
every kid on earth: hAhAhAhA
me: i am going to dismantle you
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