Say '/yell' (pronounced 'slashyell') to make everyone in a five-mile radius hear you.
Speak in allcaps for instant awesome.
Whenever someone's better than you at anything, accuse them of cheating and chant the words 'hax', 'votekick' and 'voteban' alternatively. If required, prefix it with 'slashyell' or use allcaps.
Whenever someone does something worth noting, such as getting coffee ten times a day, driving 100mph, or managing to defeat the boss, you have to say 'gz' or be deemed antisocial. Similarly, if the person you say 'gz' to doesn't reply with 'thx', he is an ass instead.
When you lvl, speak the word 'Ding!' to receive many 'gz'. Don't forget to follow up with 'thx' though.
You cannot refer to any location with its full name. Instead, it requires a two- or three-letter acronym. Note you'll be known as a n00b if you do not recall all these abbreviations by heart.