Someone who has stepped away from their controller in an online mutiplayer videogame, presumably because they have the munchies and they're warming up a microwave burrito instead of assisting their team.
"Hurry to the other team's spawn point guys, they have three burrito eaters!" or "Oh no, that guy on our team stopped moving, he must be a burrito eater."
1. To eat a large burrito in a short amount of time while consuming excessive amounts of fluid. The result is a condition in which the burrito eater has a sudden difficulty breathing as if the burrito had expanded to the point of compressing one's lung.
As Dee and I left chipotle, I experienced the painful and debilitating effects of burrito lung.