my nanna told me if I swallowed gum that I would have a gum tree growing out of my tummy
A childhood belief about chewing gum

others believed things like this
- I used to believe that if you swallowed cherry pits, you would have a tree growing in your stomach.— porkchop
- i used to believe that if i swallowed beens,,a tree would grow in my stomach :P— fatma
- I thought that if I swallowed grapestones, a tree would grow out from my stomach. — Tone
- I used to believe that if you swallowed an apple seed, a tree would grow in your belly.— Rachel
- When I was little I use to belief that if we swallowed the pit of a fruit, a tree would grow inside us.— Maya
- My Mom used to tell me if I swallowed an apple seed I would grow an apple tree inside my stomach!— Marg