eber-geek
An Eber-geek is a person who lives in a dark room with a computer and a pizza box. They never leave. They never talk. They just yell at their enemies in online games.
My friend's room is darker than a cave. He only comes out to eat pizza and yell at strangers.
My brother said he'd rather be hit by a truck than stop playing Fortnite.
My neighbor's dog barked at him for an hour. He didn't notice because he was playing a game.