My friend's four-year old daughter sang us some lyrics from the OutKast song "Hey Yeah". They sing "shake it like a Polaroid picture", but my friend's daughter proudly sang it as: "Shake it like a POLAR BEAR picture". We didn't correct her, and now we sing it that way, too.
A childhood belief about misheard lyrics

others believed things like this
- When Madonna sang "let the choir sing" in "Like a Prayer", I thought she was singing "love by proxy"— Kristen
- i thought I got one year older when my family sang the birthday song.— I am the ghost
- My friend believed that when lightening flashed, you better smile because God was taking your picture! — Linda from Southern California
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- My 5 year old daughter believes if she picks her nose her bum will fall off !!Anon
- Did anyone else sing "Hark, the hairy angels sing"?— Jill