A friend used to think the lyrics to "Walk this Way" by the Beastie Boys was "Work and Slave" How fantastic is that, I still sing it like this today and chuckle.
A childhood belief about misheard lyrics

others believed things like this
- I used to believe the Beastie Boys were a boy band. Well, the name sounds similar to Backstreet Boys!Anon
- I never knew why boys had to lift up the toilet seat...until my friend told me that boys had bad aim.Anon
- I thought the lyrics to "We're going to Ibiza" by the Venga Boys was "We're going to eat pizza"— ShannonOfDoom
- i used to believe that shoping carts were for slave children— kyle welch
- I used to believe that whenever I got an F on a test it stood for fantastic. — megan
- when i first heard "i'm a slave" by britney spears i thought she was saying "i'm a snail forever" — jessica