In the film grease the song "one that i want" we use to think that the line "Nothing left nothing left for me to do" was "double it up double it up for me and you"
Also our dad thought that the song "the final countdown" by Europe was "there's a fire downtown"
A childhood belief about misheard lyrics

others believed things like this
- Some sport cars have a double exhaust. I wondered why. Why would people want to pollute twice as much?— F*ck the environment?
- I used to believe that the solid double yellow lines on highways were the motorcycle lane.— jeech
- I believed that the gap between the double yellow lines in the road was a special lane for motorcycles.— Joel
- I used to think that the song"Stayin Alive" said "Staying In Line" like at school when I was little. — MacKenzie
- I used to think that the line in the song "Life in the Fast Lane" was "Fights in the Bat Plane".Anon
- When I first heard Bruce Springsteen's song, "Born in the USA," I thought that the song was "Porn in the USA"Anon