When I was little my father told me that if you undid the *knot* that the doctor's made which later became your belly button that you would deflate like a balloon. Flopping around the room included.
A childhood belief about belly buttons

others believed things like this
- I used to believe your belly button was a knot that held you together - my parents had wierd anatomical views— anne
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - 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 my dad told me that if you unscrewed your belly button your bum would fall off.— Ann
- I was told that your belly button is where you put salt when you eat apples in bed.— Shurnuff
- i was told that if you fiddled with your belly-button too much, my bum would fall off.Anon