Have you ever worked retail? If so, you probably know that customers can sometimes be a little bit…rude. Everyone has a bad day once in awhile, but when you’re at work trying to be polite and helpful, it can be frustrating, surprising or even amusing when you customers get upset.

We’re not saying that it’s funny when customers get upset. We’re saying the things that bother some people are sometimes so crazy that we find ourselves scratching our heads…and laughing.

Many current and former retail workers have turned to Reddit to share bizarre stories about why customers got upset. Scroll down to read 15 of the weirdest reasons customers got mad…as told by the people they got mad at.

1. Missing Tomato

   “I was working at McDonald’s. A customer complained that there was not a tomato on her Big Mac. I explained to her that Big Macs do not come with tomatoes unless special ordered. She then proceeded to sing the Big Mac song to me in front of a lobby fulll of customers adding the word TOMATO into the song lyrics in an attempt to prove her point.”

2. “Have a Nice Day”

   “After I handed him his coffee, instead of saying ‘thank you’ to him, l told him to ‘have a nice day’.

   He sent an email to corporate and my manager telling them I was ‘rude’ to him because I didn’t follow a ‘company standard’.”

3. Where are my kids?

   “A woman I had never met or seen in my life, asked me where her kids were. I was confused and said ‘I’m sorry, I don’t know.’ And she yelled and asked where they put them. She stormed off angry at me. I never had a clue why she asked me.”

4. 5 Minutes Early

   “I used to deliver pizza. I had someone get irate and refuse the delivery because they’d ordered it to be delivered at 7pm and I got there at 6:55.”

5. More Green

   “This one is about my mom. She once took both of our matcha teas from Starbucks and marched inside demanding they make her ones that are MORE GREEN. They weren’t GREEN ENOUGH. Not that they weren’t made sweet enough or incorrectly. No, she literally just wanted them more green.”

6. Knowing Too Much

   “Not me, but a doctor at a vet practice I worked at. The client didn’t like that one of our doctors (a recent grad) was young. Specifically, she said ‘I don’t like people half my age acting like they know more than me.’ It was so confusing. ‘Ma’am, she does know more than you… she’s a doctor.'”

7. Store Credit Card

   “Called up to back up cashier for busy lines. Like a good associate, I asked the customer if they wanted to save $50 by opening a credit card. The response I got?

   ‘You should be executed for asking that.'”

8. Radio

   “A white guy told me he was offended by the Spanish-language radio station…

   … inside the Mexican restaurant where I was serving him lunch.”

9. We’re Not Friends

   “When I used to wait tables I had all kinds of things I used to say. One of the guys ordered a drink and my response to him was … ‘you got it, my friend.’ The rest of the time I couldn’t figure out why the table was so cold to me. At the end he gave me a zero on the tip line and wrote ‘I am not your friend!'”

10. Slow Service

    “I was accused of being racist because I didn’t get a customers food out fast enough for him. He was white, and I am white. It was Cuban food, tho. So maybe he thought I was being racist on its behalf.”

11. Booth or Table?

    “I was a host and had one of those pagers we hand out when there’s a wait thrown at my head. Because I asked if they wanted to wait for a booth or a table. The wait was only 15 minutes too but.. oh well!”

12. Free Gift

    “One Christmas we had a promotion from a vendor that included a complimentary jar of $75 body cream in a pretty box if you purchased a $150 bottle of perfume. I had an older gentleman ask for the perfume, in the size that came with the gift. He flipped out on me for overcharging him, stealing from him, and lying to him for giving him his free gift with purchase. Good times.”

13. You’re Scanning Too Fast

    “Just last week I was at target, and this karen got mad at the cashier for scanning her items too fast??? She was apparently convinced they were trying to scam her by double scanning items.”

14. It’s Free

    “Card reader went down yesterday so I gave a lady her order for free. She got pissed and said I was secretly charging her.”

15. Don’t Tell Me What To Do

    “Working for the city parks and rec. I told a woman leaving the pool to ‘have a nice day’. She left and later called my boss to complain that I was ORDERING HER WHAT TO DO.”