2. Cee Lo Green, "F**k You"
The title alone would have guaranteed hundreds of thousands of Web clicks. But Cee Lo didn't just say "Fuck you" — he said it with humor and serious panache. Despite the bummed-out lyrics, the Motown-style beat is DayGlo-bright, and Cee Lo's lovelorn lament doubles as an anthem for lean times: "If I was richer/I'd still be with ya/Ha, now ain't that some shit?"