When I first heard the expression, "post nasal-drip" I thought it was a cereal.
A childhood belief about nasty food

others believed things like this
- I used to think that when you poured milk into your cereal, the cereal multiplied.— Allen
- When I was a kid I believed that if I ate cereal I would be a cereal killer.Anon
- I used to think that serial killers were "cereal killers" and would kill you by poisoning you cereal.— Jello
- I thought the expression "so funny I forgot to laugh" was literal instead of sarcastic— Not so funny after all
- I used to think that the expression "The former or the latter?" was actually "The farmer or the ladder?" — Fitzwilliam
- I forgot the expression "not cricket", so I said, "not tennis" instead.Anon