When I was little, I never ate pesto sauce because I thought if you ate it, it meant you were a pest.
A childhood belief about general

others believed things like this
- my friend used to think a SWAT team was pest control.— wacko zacho
- I used to think that Tabasco Sauce contained tobacco, and therefore was actually "tobacco sauce."
Anon - When I was Little, I thought a Pizza Pie was Tomatoe sauce, cheese, and Pepperoni inside of a pie crust....— LarLar
- my grandfather told me that soy sauce was bug juice.Anon
- I always thought that duck sauce (from chinese restaurants) was duck poop.
— emily - if you got sprayed by a skunk you had to have a bath in tomarto sauce— rob