Gaming Coma
When someone spends pro-longed periods doing nothing in their spare time other than playing video games. This can be anything from a few days up to several months.
Person 1: Hey, have you seen Dave? He was supposed to go see the film with us the other day.
Person 2: Not likely. He's been in a gaming coma all week.
Person 2: Not likely. He's been in a gaming coma all week.