I used to believe "retro" was a vulgar word. It's odd now especially since I'm a retro gamer.
A childhood belief about swearing

others believed things like this
- I thought that "fool" and "What in the World?" and "crap" where ultra-vulgar words.Anon
- i used to think that the word "stupid" was a curse word, ranging in scale right beside the "f" word.Anon
- 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 everything starting with f was a bad word after I learned about the "f-word". — Sarah
- i used to think the word "suck" was a swear wordAnon