"Douchebag" and "asshole" just reveal your lack of imagination.
  1. Dingbat
  2. Bonehead
  3. Numbskull
  4. Dimwit
  5. Blockhead
  6. Lamebrain
  7. Dolt
  8. Twit
  9. Fartbreath
  10. Nincompoop
  11. Buffoon