I thought the song "Party Time" by Moby was actually saying "heart attack" (this was before I knew the title)
A childhood belief about misheard lyrics

others believed things like this
- I thought you always die if you A. get cancer or B. have a heart attack— Nate
- I use to think i heart attack was when you got stuck in an elevator. I have no idea how i came to believe thisAnon
- I used to think you could have a heart attack if you fell in love too deeply!Anon
- I used to think you could have a heart attack if you failed to fall in love.Anon
- The song called heart of glass mixed me up as a kid. I heard "Heart and ass". — oops
- I used to think that the title of Barry Manilow's song "Looks Like We Made It" was "Looks Like Tomatoes".— close2nd