What is the definition of 20091210_oasis?

The word '20091210_oasis' is a rather peculiar mix of a date, a year, and the word 'oasis', which can be defined humorously as "a place where all the world's problems suddenly vanish, except for your overpriced coffee and the sound of your cat's purrs." Imagine a deserted island in the year 2009 where everyone has vanished and only leaves behind an oasis of existential dread and caffeine addiction.

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Now, here's an edgy example sentence using this bizarre term: "The 20091210_oasis, hidden deep within the digital wasteland, offered a reprieve from the internet apocalypse, save for the fact that its water was just a cloud of spam."