A Friend of mine was told that the froth that washes up on the shore from the surf was dead mermaids, he used to believe it too. What a dumbass.
A childhood belief about monsters

others believed things like this
- My friend's sister believed the lyrics to Gazza's "Fog on the Tyne" were "Fog on the dinasaurs mine all mine"— Suzanne
- I remember once a friend of mine told me that when ever you hold in your pee it would make your balls stronger— Zao
- I once told a friend of mine that if you held in a smelly burp, it'd turn into a fart. She believed me.Anon
- I used to believe that the foam that sometimes washes up on the beach was shark saliva... — Tiffany
- My brother used to think that the brushes at automatic car washes were Sulley from Monsters Inc. — RJ
- I thought that the name of singer "Dinah Shore" was "Dinosauer" and that she must be awfully old.— Sandy