When I was a child my sister told me that if your bellybutton opened. You would deflate and fly around the room like a balloon
A childhood belief about belly buttons

others believed things like this
- My sister told me once that if I sucked too much helium out of a balloon, my lungs would explode.Anon
- My older brother used to tell me that if I "untied" it, I'd fly around the room like a balloon. — Gullible youth
- I used to believe that everytime a balloon was released , it meant that a child had recently died.— Samantha
- I was told when young that if i kept poking my bellybutton my bum would drop off.— vicky
- My uncle told me if you twist your bellybutton, your bum will fall off, I was terrified!— little2ft
- My sister told me as a child that ravioli was 'hedgehog' meat.
Still can't eat it today.......— Sal Myers