As a child my mother would tell me that if I swallowed gum, I would end up blowing bubbles out my rear if I farted and it would be really embarrasing.
A childhood belief about chewing gum

others believed things like this
- I used to think when you farted, bubbles came out.— Nick
- If i farted in the tub the bubbles would be different shapes.Anon
- I used to believe that if I swallowed gum I would bubbles when I 'trumped'.Anon
- I used to belive that, if you swallowed your chewing gum, you'd fart bubbles...— Heidi, Pittsburgh, PA
- My mom used to tell me that if I swallowed my gum when I farted, I would blow a bubble out of my butt.— bubblebutt
- I used to believe that if you swallowed chewing gum, when you farted, you would blow a bubble out your butt.— Bubble Butt