I had a roommate who thought that Celine Dion's song "Next Plane Out" said "let's make out." She didn't make the connection between the song's title and the words to the chorus....
A childhood belief about misheard lyrics

others believed things like this
- I thought the song "Party Time" by Moby was actually saying "heart attack" (this was before I knew the title)— Elviessa
- I used to think that the title of Barry Manilow's song "Looks Like We Made It" was "Looks Like Tomatoes".— close2nd
- I thought the song "Karma Police" was actually saying "call the police" before I learned the title— Alberto Richardson
- I used to think that the chorus of "mountain song" by jane's addiction was in a different language— nothing'sshocking
- in the song "show me heaven" i used to sing "make me breakfast" instead of "leave me breathless"Anon
- I used to think that the line in the song "Life in the Fast Lane" was "Fights in the Bat Plane".Anon