My friend used to think that the song 'bootylicious' by destiny's child went :
"I don't think your ready for this jetty... coz my body's too boobylicious for you babe" instead of 'jelly' and 'booTylicious'.
A childhood belief about misheard lyrics

others believed things like this
- I thought jelly fish were made out of fruit jelly. — Kevin
- When I was a child I used to believe that cows gave ready butter.— Bane
- I used to believe that jelly came from jellyfishAnon
- I used to think jelly came from jellyfish's tenticles— Rachey b
- I used to believe that my mother invented peanut butter and jelly sandwiches. Anon
- I used to believe that if you didn't take your socks off at night your feet would turn into jellyAnon