One must understand that gaming slang is an artform; it is not merely an abbreviation, but already exists as coded packets of data that can be quickly translated into proper english.
A few of the more common terms:
wtf n00b?
- I am sorry, but I was so busy dicking around that I wasn't paying attention, and so completely missed what was going on.
lol pwnd!
- By sheer fluke, I managed to defeat you. I am going to gloat about this as if it was a major accomplishment worthy of life-changing status, such as marriage or the birth of a child, as niether of these (along with a plethora of other normal social interactions) will never be mine to experience.
stfu noob!
- Your point was valid, informative and most eloquently expressed. Unfortunately, it was directed at a total fucktard. Please remember you are talking to an inbred whose right hand won't even go to third base with him, and adjust your statements accordingly.
OMFG hax0r!
- It seems you [the person to whom the comment is directed] did something I never could, or will; you learned how to play the game. Whilst your tactics are most likely only a slight step above blindly rushing an emplaced weapon position, they are still leaps and bounds beyond my capability. Well done, sir!