Noun. - The belief, with varying degrees of seriousness, that the world will end on December 21, 2012, based on a highly idiosyncratic interpretation of the ancient Mayan Long Count calendar, which pinpoints this precise date as the end of a 125-year long cycle.
Why are we planning on having kids, anyway? It's not like they'll live to see 2013.
Katrina has a serious case of Maya fever. I don't think the "2012" movie helped matters at all.