[xrr rating=2.5/5]Riff Raff defies definition. More personality than performing artist, Raff is unlike any other rapper to cross the hip-hop spectrum. He emerged from a post-reality show sewer and came out the other end bedazzled in glistening jewelry. Here, his 15 minutes of fame are teased out to a full length album and at the end of the record’s 48 …