As a crew on a cruise ship, I was approached by a very old man and his wife in a wheelchair. A man was so very upset he demanded to speak with an "engineer" right that moment but wouldn't tell me why.
After a few minutes of convincing, he said it was about the design of the toilet. I thought their toilet was blocked or something, but he said "No, it's the DESIGN, every time I sit on it my private parts fall into the water." And his wife was looking at me and nodding her head....