I used to think that song that goes "everytime you go away, you take a piece of me with you" went "everytime you go away, you take a piece of MEAT with you". To me it made much more sense than taking a piece of someone else.
A childhood belief about misheard lyrics

others believed things like this
- I used to hear "Everytime you go away, you take a piece of Meat with you"
Makes a nice light snack I spose.— Linda - That at meetings adults sat on plastic chairs surrounding a large piece of meatAnon
- i used to believe that one piece of ear wax was actually called a wach. — rachael
- I used to think that a gherkin was some kind of piece of machinery. I wonder where I got THAT from...— Some Idiot
- I used to believe fax machines instantly teleported a piece of paper to who ever you wanted. Anon
- I thought Spongebob Squarepants was a piece of Swiss cheese.— Melanie