In a nutshell, the highest order of ownage. Something of this calibur could only be compared to the apocalypse, or even the holocause.
Other words in refrence:
owned leet
"Dude, that guy, in counterstrike, got COMPLETELY ownt up the yin yang."
Ta ownt-the ownt: Used to express extreme happiness while gaming. A gamers version of "you got owned". Usually used as an exaggerated form of ownage or pwnage.
Player 1: Did u see that headshot?!?!? It was ta ownt!
Dude 1:Dude, I was setting a high score in this new online video game, when all of a sudden a rabbit came out of nowhere and jumped on my power button!