armchair gamer
A person who spends all day passionately watching Let's Plays on Youtube, but never actually plays video games.
Person 1: Man, the new GTA is so awesome
Person 2: What console do you have it on?
Person 1: What? Oh, I just watch gameplay videos of it.
Person 2: You're such an armchair gamer...
Person 2: What console do you have it on?
Person 1: What? Oh, I just watch gameplay videos of it.
Person 2: You're such an armchair gamer...