I thought the lyrics for Lady Gaga's Poker Face was "Cutie pie, cutie pie" instead of "can't read my, can't read my"
A childhood belief about misheard lyrics

others believed things like this
- I used to believe that one of Lady Gaga´s songs goes "bedroom ants" instead of "bad romance"— Anon the III.
- I used to read about Lady Penelope and believe that her name was pronounced Penny-lope (lope as in antelope).Anon
- i thought grown ups read in a different language!Anon
- After my dad read The Hobbit to us, when we were little, I thought that Gollum lived in the toilet. — PixelFish
- i used to think that i was a werewolf and that at night i played poker with the grim reaper— mike
- I legitmately thought that my mom wouldnt be able to read my diary if I wrote it pig latin!— Ashley