Oh Keef, you never cease to amaze us. On Tuesday, Katy Perry got her first listen of Keef's "Hate Being Sober," taking to her Twitter account to say "Just heard a new song on the radio called "I hate being sober" I now have serious doubt for the world." Well it looks like word got back around to Sosa, who didn't take too kindly to Perry's commentary. Check out Keef's vulgar response below.