Someone who is obsessed with games or tv shows that invovles action in an arena. This includesgames 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."
A disease that develops when someone is over-working or is assigned so much work/homework to the point when their brain cannot work properly. Can be used for anything, including animals.
A:Where's that nerd that always get 150% on his tests?
B:I got a call from his uncle last night. Said he suffered from brainload after researching dinosaurs for 15 hours straight on his computer.