A Jevyn is a type of person who enjoys fighting and is usually a bit special in the head, Jevyn is usually against drinking too often but when brought to it he will down your vodka mate.
and for all honesty Jevyn always has a mate called cody.maxfield
EG.1
Girl1: I got a new bf called jevyn
Girl2: Omg a jevyn? he must be a good fighter
Girl1: Yes he is
EG.2
Boy1: Im gonna fight Jevyn
Boy2: Farout mate dont try Jevyn he'll smash you
Boy:3 Yeah i agree
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