As a child, I assumed that "bread and water" in restaurants literally meant "a glass of water + crumbs of bread inside"
A childhood belief about drinks

others believed things like this
- I used to believe yeast could make bread rise because it really was salt with bubbles inside.— queeneve
- "Better than sliced bread"
I used to believe 'Sliced Bread' was a musical band.— Madeline - I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- I used to believe that birds subsisted on bread.— C.C.
- If you ate the bread crust you would be able to whistle.Anon
- I used to think that crust was a special coating put on the bread— Hayley