Godemiché is a way of saying hi in french in the region of Normandy. It is a form of local dialect just like in the case of how some people say howdy in Texas instead of hello.
Guy 1: Godemiché
Guy: Eh godemiché, comment te sens tu aujourdhui?
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