First off, I'd buy all the nuclear weapons in the world.... then I'd spend (and I'm sure you guys are probably going to laugh at me for this one)... the day with Tina Wood.... my... er..... well, she doesn't know me.... yet. For those of you who don't know who the hell I'm talking about....
TOO BAD!!
j/k; she's D-list celeb who I happen to be obsessed with.
.... And just before the world was supposed to end, I'd detonate all the nukes and BLOW UP THE EARTH!! Just so I could take credit for destroying the human race.