I used to believe that the "booger man" would come bite off your fingers if you picked your nose. (my grandpa told us that) he lost his fingers in a work related injury and told us that is how he lost his fingers!
A childhood belief about monsters

others believed things like this
- My sister told me that if I picked my nose there were snail creatures inside of it that would bite my fingers.Anon
- My Grandpa told me if I picked my nose I could accidentally pull out my eye. — Jan St. Louis
- my grandpa told me if you pick your nose too far then a snail will bite your finger off haAnon
- I thought your fingers would grow back if they got cut off— Nate
- i used to think that biting my nails would make my fingers fall off! ;)— Cassandra
- i used to believe that polishing your nails also consisted of painting your fingers. Anon