The "Gangnam Style" horse dance is the latest in a long line of dance moves that have taken the world by storm. Everyone knows how to do the Gangnam Style dance because it's ridiculously easy to do.
Upon winning the China Open over a game but outplayed Jo-Wilfried Tsonga, Novak Djokovic initially deferred but then broke into the "Gangnam Style" dance popularized by Korean rapper Psy.