I used to believe that if you swallowed a watermelon seed, a watermelon tree would grow inside your stomach and you would explode.
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 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 beleive that if you ate a black watermelon seed a tree would grow in your stomach— anonymous
- If you swallowed a watermelon seed it would grow in your belly— Rachelle
- My Mom used to tell me if I swallowed an apple seed I would grow an apple tree inside my stomach!— Marg
- when you eat the seeds from a watermelon a watermelon will start to grow inside your stomache.Anon