I used to think "so-and-so" was a bad word. My mom would be talking to a friend and say something like, "That guy's a little so-and-so!" She would whisper it so I though "so-and-so" was a bad word. However, she was saying "so-and-so" instead of the bad word she really wanted to say.
A childhood belief about speaking

others believed things like this
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny
- I used to think the word fever was just another word for giraff— Marshall m
- I used to believe that I actually invented the word "excellent".— poop jacket
- I used to believe that to speak Spanish all you had to do was a an "o" to the end of each word. — !!.-ariel-.!!
- when I was little I used to think that when you said the word "Godzilla you were saying God's name in vain — Stargirl
- I used to believe that "foofa" was the F-word in Spanish.Anon