Are you a n00b, or just don't even know what a n00b is?
n00b (pronounced: new-b, not newbie) - Someone who is either 'new' to the 'net, or isen't new to it, but isen't truly cyber-savvy.
newbie - Someone whom is new, yet is somewhat 1337.
1337 (pronounced: Leat) - Eliete, the people on the 'net that know it the best. They know the jargon, the slangs, they know many useful things, if you have a problem someone who is 1337 can help you!
H4xx0r (Pronounced: Hacks-x-sor) - A pain of a Hacker, who loves to cause trouble.