system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do farts sometines feel like bubbles popping when they come out?
gpt
The gases that were initially roaming free and occupying the wider breadths of your intestines now have to squeeze into the narrow constriction of your sphincter. This pressurizes them akin to packing into a bubble, and as the sphincter relaxes and contracts that gives you your pop.