Gnarls Barkley song or ? :S Help

Hello everyone, can't find a Gnarls Barkley song, I think it is Gnarls Barkley, but not sure ? Just heard it on Harleys, few days ago.. Something like..: Maggie, maggie uh uh uh.. or Bagge, Beggy, mary, begin -- you, uh, who ? I realy don't know what he is singing and what the name of the song is, I had try anything.. please help me :) Tanks :)