Please vist http://www.helpwinthisbet.com/404/ (safe for work, no popups or any funny business).
The guy reckons that he can get his girlfriend to have a threesome if he gets two million hits. There doesn't seem to be a timescale for it, but hey, it's a worthy cause, so get over there.
Of course, that pails into insignificance against the mastery of bombinathong.com!!
Update 28/4: He's done it. When I posted this, he had about half a million hits, now it's up to about three million.