For what’s been dubbed a horrible B-movie, the latest Syfy thriller “Sharknado” is getting heaped with attention. It’s a case of a movie being so bad, it’s got everyone talking.“Sharknado” made its premier Thursday night and, like its name suggests, involves sharks getting swept up by a tornado and terrorizing people as they are hurled through the air.In one scene, a man gets swallowed whole by one of these sharks. Fortunately he is holding a chainsaw at the time and is able to cut his way out of the shark’s belly.