My mate used to believe that the lids of yoghurt pots were poisonous, and to this day won't ever lick one.
A childhood belief about dangerous food

others believed things like this
- I used to think that a car boot sale was where motorists exchanged car boot lids.— Alan, Sheffield, UK
- When i was 5, i thought that you could lick your elbow....Anon
- I used to believe that a cow-lick meant that a cow had licked you when you were a baby.— Lindsay
- I believed if I let my dog lick my face and didn't wipe off the slobber, that I would turn into a dog myself.— robyn
- Oasis - Don't Look Back In Anger
"Oh, Harry can't mate
He knows it's too late
As he's stalking, oh my..."— Santa Puncher - that the green bit of cucumbers was poisonousAnon