An ability that one gains after hours upon hours of gaming, of not needing to eat. While in Gaming Endurance state, one cannot perform simple daily tasks like taking out the trash without loosing the ability and feeling hungry again.
Guy 1: Dude, you've been playing WoW
like 10 hours straight, aren't you starving?
Guy 2: Nah man, I got Gaming Endurance. I can go on for 10 more without breaking sweat..