When my sister and I were younger I used to tell her that when people farted it left a bubble in the seat of their pants. She thought that's what butts were. People with big butts farted a lot and were very stinky.
A childhood belief about farting

others believed things like this
- I used to believe that they got the lunchmeat bologna from cutting off dead people's butts.— angie
- 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
- i used to belive if you swallowed gum and then farted, you would blow a gum bubble with your butt.Anon
- That only men farted. I literally started sobbing the first time I realized I farted.Anon
- I used to believe that if you farted really hard, you could fart a hole in your pants. How dumb was that?— stargirl