Three emotions, put into words, following eachother in quick succesion. Blunt Amazement, "Oh my God." Slight Amusement, "Laughing out loud." followed by Blank Confusion/Crude Amazement, "What the fuck?"
You are playing some sort of counter-strike like game. A friend of yours, or just someone you know, leaps over someone else's head(omg), looks down(lol), and plants a killing shot in his face(wtf?).
A term used by barely literate online gamers to express their excitement.
OMGLOLWTF!@!?!?!?! I LIEK TOTLAY KILLED THAT D00D, I 0wn J00!!!1!!