Video: Big Sean - 'What U Doin'? (Bull$#!@ing)'

G.O.O.D. Music’s Big Sean stays stuntin’ in the comical video for “What U Doin’? (Bull$#!@ing),” the first offering from his debut album Finally Famous, due Sept. 14. Take a look through the Detroit rapper’s shades and you’ll see girls pillow fighting, a flying car, and even a mermaid.