I used to think that "crap" was not even mildly offensive and that "shit" wasn't a cuss word, up until I was about 6 and a half. Until then, I'd occasionally mutter
"shit crap" under my breath when I was angry. How ironic that they mean the same thing, so I was essentially saing "poop poop!!!"
A childhood belief about swearing

others believed things like this
- My sister used to think that "spit" was a bad word. She meant "shit".— "Spit!"
- I thought the C-word was crap.Anon
- I actually asked my mother if mixing girls' poop and boys' poop would cause an explosion.— kraine
- I used to believe that your arse cheeks were actually full of shit!Anon
- My poop was always around the same color as my skin so I assumed white people's poop was white.— jaycee
- when I was little I used to think that white people had pink poop (i am brown so my poop is brown)— helena muteka