I have two from Led Zeppelin Songs:
Song: The Immigrant Song
Actual Lyric: Our only goal will be the western shore.
Misheard as: I wanna go where there's a restroom stop.
Song: Kashmir
Actual Lyric: Sit with elders...
Misheard as: Citronella
Crazy stuff, eh?
A childhood belief about misheard lyrics

others believed things like this
- A common misheard lyric in BMTH’s ‘Shadow Moses’ is “THIS IS SANDPIT TURTLE!”— Oli
- In Beyonce's song 'Crazy in Love', I always thought she said 'Daisy right now'.Anon
- When I first heard Bruce Springsteen's song, "Born in the USA," I thought that the song was "Porn in the USA"Anon
- i thaught the michael jackson song billy jean song said Janet's not my son Anon
- I always wondered why shepherds washed their socks by night. (correct lyric: watched their flocks)— MaggieNJ
- I used to think "Led Zeppelin" was a solo artist or something and his name actually was "Led Zeppelin"— Charlie