2012 Olympics offers goofy bets

Ladies and gentlemen (and members of Gamblers Anonymous), let the games begin.

The 2012 Olympics start on Friday. And it already promises to offer just as many fun prop bets as the Super Bowl.

According to the Associated Press, British sportsbook William Hill is offering 1,000-to-1 odds "that a flying saucer will appear over Olympic Stadium during Friday's opening ceremony."

For other fans of longshots, William Hill is offering 250-to-1 "that every team in the 4x400-meter relay final drops the baton."

And if you're betting on London Mayor Boris Johnson to accidentally light his hair on fire with the Olympic torch? You'll get 33-to-1 on your money. Johnson must be really clumsy.

But William Hill isn't the only sportsbook offering fun bets. Ladbrokes, another British betting website, has been rumored to offer 11,000 prop bets, spanning sport-specific and non-specific wagers.

Most notably, the Associated Press points out, you can bet whether a "British athlete will be photographed eating a McDonald's Big Mac, or that the athletes village in Olympic Park will run out of condoms."

Eager gamblers could actually make that second prop bet happen... but it would take a lot of dedication, and probably several trips to your physician.

In total, English sportsbooks expect to bring in $155 million in bets over the 17-day event.