I used to believe that 'One more time' by Britney Spears used to be:
'Oh Baven Baven' instead of 'oh baby baby'. My dad said 'It isn't Baven. What's Baven?' I replied with 'Duh! Baven is a Scottish name!' Silly me!
A childhood belief about misheard lyrics

others believed things like this
- when i first heard "i'm a slave" by britney spears i thought she was saying "i'm a snail forever" — jessica
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- That because Gerber Baby Food had a baby on it real babies were put in there. Thanks a lot cousin!— Nicole
- I used to believe that a baby shower was a tiny bathtub with a showerhead just for the baby.— Amy
- As a kid every time I heard a person say "it's about time" I always replied "so what about it?"— Eli the Kid
- when I was little I used to think you had to have a baby before you got married!— Supergirl