A person who is extremely obsessed about the MMORPG RuneScape, and by extremely obsessed, I mean, they bring their RuneScape Handbook to parties, and the mall, etc.
Person 1:OMG! LOL, hee hee, Guess what!
Person 1:I have a question for you. How heavy is a Greater Demon?
Person 2: Who cares, RuneGeek.
Person 1:I'm telling the RuneMaster!