Kaboom2012.com is centered around the debate of what will happen on December 21, 2012 (MMXII).
The wiki:
en-Wiki
Why the "Kaboom" in your title?
Things usually start with a bang or end with a bang. Plus, all the other good domain names were already taken. Damn you people with lots of money.
Current thought:
If this really happens...you know the end of the world on the above described date, HOW will I keep this website online?