i used to believe tat if u swallow a watermelon seed, u will end up having a watermelon tree growing in ur stomach.
A childhood belief about watermelons

others believed things like this
- I used to believe that if you ate a watermelon seed you would grow a watermelon tree in your stomach!!!— Eskimo
- I used to beleive that if you ate a black watermelon seed a tree would grow in your stomach— anonymous
- I use to believe (thanks to my Mom) that if I swallowed a watermelon seed a watermelon would grow in my belly.Anon
- i used to think if you ate a watermelon seed then after a while you'd become a watermelon
— olga british-girlyman - If you eat watermelon seeds a watermelon will grow in your tummy and vines will come out your earsAnon
- when you eat the seeds from a watermelon a watermelon will start to grow inside your stomache.Anon