I listened to Led Zeplin singing
"I want to be your back door man"
for many years before I realized he was singing about anal sex. I thought he meant sneaking in the back door of the house, like they were having an affair or something. Thanks Tim for clearing that one up for me.
A childhood belief about misheard lyrics

others believed things like this
- i thought there was a door in the back of the tv and if you wanted to be on tv you just walk in— fred
- My sibs and I thought that the screen door was called the "scream door" so Mom could yell at us through it. — Kyle
- I used to believe that the video clip are realized in one time and the singers are singing with to the music Anon
- That song that goes:
I'll never let you go...
I thought he was singing:
Another machine gun...
Haha.— Kelle - The buckinghams song "kind of a drag", i always thought they were singing, "Canada Dry"— bobbybobby
- My daughter thought Paul McCartney was singing "Hey Dude" instead of "Hey Jude". Anon