The total domination or shut down of a person, place, or thing.
Pwned is used in such places as:
Australia: You just got pwned, mate!
Hawaii: Hola brother you go pwned!
Japan: I pwn you!
North America: You just got pwned!
South part of North America: Y'all just got pwned!
A little south of that: Nomes a sey ya pwn you homes!
Examples of pwned:
Guy staring at laptop: Best porn EVER?
Laptop: We're no strangers to love, you know the rules and so do I
guy: Hey what's up man?
other guy: SLAP!
Guy with hammer: Hey Lou!
Lou: FRED IS NUMBER ONE!
Guy with hammer: What?