The much anticipated moment when the website Twitter will finally become overloaded, causing millions of zombified Twitterers to have mental breakdowns over the fact that they can no longer talk to themselves on a computer 24 hours a day.
Person 1: ZOMGG, THE TWITPOCALYPSE IS UPON US. WHAT WILL I DO WITH MY LIFE NOW?

Person 2: -DIES- OMGGGGGGGG!
by Ughmuffin June 14, 2009
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