I had a job that placed my office right across the hall from HR. There was only 3 HR people at that site but hundreds of employees. We were pretty friendly with each other. The manager would always have a joke.
One day as we're leaving work on a Friday before a 3 day weekend, she said to me
See you next Tuesday!
I started laughing and she is like what is so funny?
Oh hell no! That was a moment. Let me say. I was like oh, yeah sorry I am never going to explain that to you. Best we forget it.
My guess is they expected the manager to tell a joke when they spoke to them and laughed out of courtesy. They thought the manager was being silly by saying Tuesday instead of Monday.
Only later to realise that it was a three day weekend and so they laughed at the manager that was just being joyful and saying goodbye 🙃
That reminds me when I was in high school and working at fast food. I went up to my shift manager after closing and asked if we were storing some food for morning shift, or are we just throwing it away. Depending on the food, we would do different things and this time we had salads left after closing. We normally never have salads, so I wasn't sure and decided to ask my manager.
I walked up to her while she was counting out money and said something like "did you want me to toss the salad or what?"
I immediately heard a coworker bust out laughing at the dishwasher station. Bent over laughing. I finally realized what I said. I was trying to keep a straight face, but I was kinda shocked too. She just laughed a bit and said yeah throw them out.