Derogatory term for someone who, when a group acheives something, attempts to integrate themselves into said group, thus benefitting from the glory of said acheivement.
Guy 1: Oh did you see the game last night? My team kicked ass!
Guy 2: Yeah, I love that team, I've always supported them, you know I was just busy last night...
Guy 1: Oh then how come I've never heard of this before? *gasp* You Glory Jew!