To show an unreasonable fear of games. To be frightened by shiny new technology. To be like a certain lawyer who is also known for his douchebagery.
Guy 1: So why did she piss on the floor again?
Guy 2: Oh, you mean Susie. She suffers from gameaphobia.
Guy 1: Whats that?
Guy 2: Well, when she saw my six axis controller she became frightened and then wanted to boycott anything over a T rating.
Guy 1: Oh, you mean she's over 30.
Guy 2: Yep.