'Mannying': Social media salutes Manny Pacquiao's knockout

Even Mitt Romney couldn't help but gape when Manny Pacquiao hit the mat on Saturday night. His opponent, Juan Manuel Marquez, knocked the champion Filipino boxer out cold with a decisive right jab to his chin during the sixth round of their match at the MGM Grand hotel arena in Las Vegas. In a post-planking, post-Eastwooding world, it was only a matter of time before the sight of Pacquiao's head on the mat inspired the "Mannying" meme, in which social media users upload photos of themselves face down on the floor in defeat.

Here's a sampling:

(Instagram: glamkrissy)