For me, it was during an apartment shop. While discussing pest control, the consultant said she wondered why bed bugs are more common in the US now than they were a few decades ago. Then she said, "I bet it's because of people from other countries." Yikes!
Niner - Man, that would chap my hide, too. Gotta tell you, I SWEAR by my Chase card - they stand behind the cardholder and fix it when merchants don't make it right. Disputes are never a problem with Chase.
, she said, "Watch out," and she dumped the food over my shoulder.
I had an open audit to take pictures of a restaurant. I told the manager I had a letter of authorization. The manager didn't care and told me to leave. He said if the company wants pictures taken, they would have to clear it through him first. I didn't argue with him, but I know corporate was going to have a few words with him.
This doesn't even come close to the original poster's experience (holy smokes!), but I had an amusing grocery store encounter where it was my turn in the checkout lane, and instead of greeting me or excusing herself, the cashier left the register, went over to the bagger, and asked her to scratch her back. Came back, didn't excuse herself, didn't greet me, and checked me out as though I were the Invisible Grocery Shopper.