As was hinted by super YouTuber Ryan Higa, Wonderful Pistachios enlisted South Korean superstar PSY for a Superbowl commercial. As expected, PSY dances and sings in a special Wonderful Pistachios-themed version of his worldwide mega hit Gangnam Style music video. Naturally, the special nut parody is going viralviral right after the big game, as Gangnam is currently the world’s most viewed video…