I'll let the dudes at Holy Taco explain their third annual tourney:
We’ve chosen 64 miscreants from the last year whose rank vinegar and water stench makes them standouts in their douchiness. Drawing from the fields of Entertainment, Politics, Sports and a new category we’re calling Wildcard, we’ve picked the best and the brightest of the worst and the lowest and pit them head to head.
Sounds like fun! I wonder if any of the guys I've dated are in the running... [Holy Taco]