Oh, you ain't up on Sharknado? The SyFy Channel movie sent Twitter into a whirlwind last night (July 11), mostly for its silliness and hilarity. The plot: Sharks get swept up into a tornado and killer season ensues. From the looks of it, the film, starring Ian Ziering (you remember him from 90210) and Tara Reid (The American Pie series), was highly entertaining. Better than Belly? Click through for Twitter's reactions, ranging from confused to WTF.