In the last verse of Billy Joel's We Didn't Start the Fire, he says "homeless vets". Up until recently, I thought Billy Joel was saying "homo sex".
A childhood belief about songs

others believed things like this
- I used to think that Sylvester Stallone and Billy Joel were the same person.Anon
- In old west lore, Billy the Kid was called 'buck toothed'. I thought this was because he sucked his thumb. — Monty
- I used to think Billy Idols "Eyes without a face" was "How's about a date" : - )— Shay
- My Uncle Billy used to tell us that if we swallowed chewing gum it would clog our bums up !
— Coolbuzz - Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- i thaught the michael jackson song billy jean song said Janet's not my son Anon