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It's a joke.
It's a variation of a line from a video game, a line written by someone whose native language was not English: "All your base are belong to us".

Apparently the original line has exceeded its fifteen minutes of fame, and has begun to fall back into well-deserved obscurity. Hopefully it will soon be joined by "I can haz cheezburger" and Rick Astley.
Updated - 27th Sep 2011