我的同桌是个神话搞定老班绝代风华
[wŏ de tóng zhuō shì gè shén huà găo dìng lăo bān jué dài fēng huá]
This username roughly translates to 'My desk-mate is a legend who can easily deal with the teacher, possessing peerless charm.' It combines several idioms suggesting that one's friend is not only extraordinarily talented or influential but also possesses unique personal magnetism and charisma.