WEll, this isn't exactly my belief, it's my friends, but still....
when my friend arthur was little, he called his mum the C word. he was amazed at his mothers reaction, as he thought that it ment 'twit'!
A childhood belief about swearing

others believed things like this
- I used to belive that the word sexy (depending on your sex)
ment you were very girly/boyish.— MysticDarkness - i used to think the word "friendship" meant a special kind of rocketship that you went on with your friends.— chips ahoy!
- My friend thought butterfly was actually called a 'flutterby.'— BlutterBly?
- 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
- behind the times ment behind the newspaper!!!!!!!— Neon Anon