1. is paying in coins.
  2. is talking non-stop on the phone.
  3. ran out of line to grab one more item.
  4. just plopped down a stack of coupons.
  5. doesn't get the conveyor belt.
  6. just opened a yet unpaid for Snapple.
  7. is paying by check.
  8. has 18 items in the 10-item express lane.
  9. is insisting on a price check for yet another item.
  10. is Donald Trump.