in kindergarten, i was told that purple onions kill little children by some random kindergartener. i still have a problem eating purple onions.
A childhood belief about nasty food

others believed things like this
- When I was a child, I used to believe that onions came from tangerines.Anon
- When I was a kid I loved to eat onion rings, until I realized that they were made with onions.— Beth Pärssinen
- To get me to eat liver and onions, my parents used to tell me it was brown chicken. And I loved it.— Mallory
- I used to beleive that liver (as in liver and onions and gravy) was rhinocerous meat.Anon
- When I was little, my dad told me that if you pee in the pool the water will turn purpleAnon
- My big brother told me that if you peed in the pool, it would turn purple and chase you.— Elizabeth