One of my female cousins, when she was quite young, saw one of my male cousins, who was also quite young at the time, going to the bathroom. She thought he was peeing out of his belly button and went yelling to her mom, "Mom, Sam is going to the bathroom out of his belly button, why can't I?"
A childhood belief about weeing and pooing

others believed things like this
- when i was young i was told that if i played with or turned my belly button that my bum would fall off — lee hull
- I used to think that if i touched my belly button it would unfold and my belly would be inside out forever. Anon
- when I was a kid I thought that babies come out of a belly-button.— Ana
- My mom says that when she was growing up, she thought that her belly button was where her skin came together.— Dana
- babies come out of your belly button— Kit
- When I was a kid my dad told me that if you unscrewed your belly button your bum would fall off.— Ann