1. having or displaying signs of an obsession with world of warcraft or WoW.
2. An irresistible impulse to play WoW, regardless of the rationality of the motivation.
3. the state of being enslaved to the habit or practice of playing WoW so intensely that it's psychologically or physically habit-forming.
4. Any combination of the above combined with the reduced interest in sex, food, or other social activities and a sudden interest in Chuck Norris jokes.
That guy at work is suffering from wow disorder.