#5 Easy As 1, 2, 4
While working in retail, a woman who had come in the day before was furious that we had not bagged one of the items she had paid for. She claimed to have paid for four sets of boxers but only three were in the bag. We looked up her receipt on our register and saw that we only charged her for three. We even looked back at the security tape to see that she had only brought 3 to the register.
After giving her a call back saying that she had only purchased and paid for three, she blew up. Racial slurs, profanity, and threats were made about how we were scamming her. In 20 minutes, she came to the store with her receipt to prove that she paid for four. We counted. One, two, three. Instead of accepting the facts, she ripped up the receipt and said that she paid for four. She started knocking down clothes on the racks on her way out and demanded her set of boxers. The owner just gave it to her and told her not to come back.
Credit: boomshakashaka