TEOTWAWKIacronym.
The End Of The World As We Know It; a catch-all phrase for the chaos and disruption that some people expect will occur in the new millennium.
Example Citation:
"There is, however, a class of people who not only believe TEOTWAWKI is upon us, but are positively looking forward to it: the hi-tech incarnation of the survivalist movement that emerged in the 1970s when the apocalyptic fear was of global nuclear warfare."
Wendy Grossman, "Connected: A diet of worms for when it all falls apart," The Daily Telegraph