My little sister used to believe that a mullet was the "hair transplant" operation that balding men get.
A childhood belief about hair

others believed things like this
- I used to believe an "Ego" was a kind of hair style, similar to a mullet.Anon
- I used to believe that if you died you could have 'an operation' to bring you back to life. — Mikey
- I used to think that everybody's hair was black and if you had blond hair, you dyed your hair.— ~_~CoolKid93_~_
- I used to hold my hand over my hair whenever i left the house and it was windy incase my hair blew away— lisa
- I used to believe that you could curl your hair by twirling a strand of hair wrapped around your finger— Anonymous
- I believed that if you ate a piece of your own hair, a new strand of hair would grow on your head.— Ryo