There was a commercial on TV for a local car dealership with the jingle, "If you're looking for a deal, go see Cal." I believed it was "If you're looking for a deal, pussy cow," and I would sing it out loud without ever getting corrected.
A childhood belief about adverts

others believed things like this
- I always thought 'virgin' was Marys star sign and could never work out why it was such a big dealAnon
- I used to believe that kittens came from pussy willows.— hope
- I always believed that we lived in Manchester (we didn't) but it was always the main place on the local news!— Richard M
- Did anyone else sing "Hark, the hairy angels sing"?— Jill
- My mum said that when I used to sing "noahs arc" at school I would sing "who built the arc, no one, no one"— Clare
- My mum used to tell me when the ice-cream truck turned on his jingle, it meant they had run out of ice-cream!Anon