WHAT I CALL THIS THING.

I can't find the you-know-what.
  1. AC adapter
  2. Computer charger
  3. Laptop plug
  4. Power cord
  5. And any combination of those:
    Power adapter, computer plug, charging cord, power-top lap plug
  6. Battery with a tail
  7. Ronald the magic sandwich
  8. "Do you think you're Louis Vuitton or something?"