l33t supa h4x0r

l33t is internet slang for "Elite", supa is shortened from "Super" and h4x0r is again internet speak for "Hacker" so you end up with Elite Super Hacker which is a person who is really good at hacking (consult dictionary for definition of hacking) l33t supa h4x0r is actually a cheat in a game called Age Of Mythology which allows unit production, building and peasant gathering to speed up immensly