Short for Emetro, is a common name given to people by the first name kenneth. They think that they are extreme gamers, at games such as warcraft 3, but they never are. You will often find them saying that they will win games for you, but they never do.
Person: Want to win a game for me at wc3?
Person: Ok, but you better not lose.
Emetro: don't worry.
10 minutes later
Emetro: O crap i think i lost.