I used to think that Norah Jones sang "I waited 'til I saw the sun, don't know why I didn't cum" in the song "Don't Know Why"
I'm still not sure, but it seems very unlikely. :)
A childhood belief about misheard lyrics

others believed things like this
- for my little sis -
Paul McCarty song "Band on the Run" but when she sang it it was "Man has the Runs"Anon - I used to think that the actors on tv shows sang the show's theme song.Anon
- i thought I got one year older when my family sang the birthday song.— I am the ghost
- Until I was about 15, I beleived my Father was the person who sang the "Cheers" TV Show Theme Song.— Dustin
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- I thought that Tommy Lee (the singer) and Tommy Lee Jones(the actor) were the same exact person.— Glowworm