when i was eleven, i thought salt'n'peppa's "push it" was actually called "pussy" (maybe pronouced closer to "pusseh")-- so the chorus went "ah, pusseh, pusseh real good!"
not that the real version is that much cleaner
A childhood belief about misheard lyrics

others believed things like this
- i thought in elton john's "tiny dancer'' the chorus was "hold me closer tony danza"— d.a.
- When I used to see a sign saying "Littering Fine" I thought they meant if you littered REAL GOOD!— Lou V.
- i thought hot dogs were made from real dogs and sum tasted good sum didnt.— Wayne
- i used to believe dragon ball z was real
and namek was in another dimension
and every show on tv was realAnon - I used to believe that boys were like robots and had no real feelings, that they were not even real people.— Lisa
- i used to believe that the telly tubbies were real because the rabbits are real!!— hotty