When I was really young I loved the drink Mountain Dew. (For those who don't know, its a yellow soft drink.) I remember thinking for the longest time that it was mountain goat pee. I found out later that it was actually my sister who told me that.
A childhood belief about nasty food

others believed things like this
- I used to think that if you mixed a diet drink with a regular drink, it would explode. Anon
- I used to think that the chorus of "mountain song" by jane's addiction was in a different language— nothing'sshocking
- I was convinced that hot air sinks. Why else are mountain tops cold, and Death Vally is so hot?— Not-my-wife
- When I was young I refused to drink well water because I thought it came out of whales.— itodd
- I used to believe that when I went to the mountain I would find an ancient monster or find some treasure— Yazer Solorzano
- I used to think that apple juice was beer and I'd drink it all the time and pretend to be drunk.— Dee