My mum's babysitting charge used to believe that he had two tanks in his stomach - a dinner tank, and a pudding tank!
A childhood belief about eating

others believed things like this
- I used to think that the TV show "Shark Tank" involved actual sharks in a tank.Anon
- My parents used to own a Restaurant. I belived the lobsters in the tank were pets.— Ned
- After seeing Thomas the Tank Engine, I believed that all the locomotives in the world had a face.— Joe
- For the longest time I thought that tapioca pudding was really fish eggs in pudding.— Liz
- I used to believe that the rice in Tapioca pudding was fish eyes. To this day I cannot eat Tapioca pudding.— Stephanie
- I similarly thought that "Proud Mary" included the lyrics "pumped a lot of tanks down in New Orleans."— Larry