The plural form of "4nr", meaning foreigners. Commonly used by American gamers to express dislike or secret envy. This term is usually used in a situation of a foreign visitor that does something "4n", like using things the way they aren't used in this country.
Hardcore American Gamer: Dude that /\/00B is so 4n, I can't understand his words lol
American Gamer/4n expert: He's speaking Dutch, retard. There are other languages in the world.
Hardcore American Gamer: Ye lo 4nrs