I always beleived that your tummybutton held your bum on. My dad told me if you undid the knot your bum would fall of. Sure stopped me from playing with my tummybutton but put me into a panic if I saw other kids playing with theirs.
A childhood belief about belly buttons

you weren't the only one
97 of you believed this
- I used to believe that if someone unscrewed my belly button, my butt would fall off— David
- i was told that if you fiddled with your belly-button too much, my bum would fall off.Anon
- My Dad told me that if the knot in your belly button came undone that your bum would fall off! — Sue, Staffordshire, England
- 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
- That if you fiddled with your bellybutton it would unscrew your bum and it would fall off— Sundaeg1rl
- I believed that if you pushed your belly button, your bum would fall off.— Wendy