Someone who is obsessed with games or
tv shows that invovles action in an arena. This includes games that do not require a
game system such as Beyblade, which is spinning your
blade agaist other blades in an arena.
Gamer #1 "Did you hear about that dude who played Quake Arena for
ten hours
straight?"
Gamer #2 "No, but he definitely is an arenagist-
jo-maniac."