Why Do Guys Get Boners When They Poop?

March 27, 2024
David Sunnyside

Whether you’re a guy or girl, chances are you’ve heard the term “boner” before. It’s not something that’s often talked about openly, but it’s definitely a thing that can happen to anyone at some point. Boners are a type of erection that occur when the body is stimulated. It’s not just sexual stimulation that can cause a boner, though; any type of stimulation can trigger it, including things like hunger or stress.

When a person has a boner, it’s because the brain sends a chemical message to the penis. This causes the blood vessels to dilate, which allows blood to flow into the penis and makes them erect. It’s also possible that the pressure of having a bowel movement can trigger an erection because it involves pushing out waste. The pudendal nerve, which runs from your anus to your penis and clitoris, could also play a role in this.

In some cases, a bowel movement can even trigger an erection because of coprophilia, which is the fetish of finding pleasure in defecating. This can happen to men and women and is more common in younger adults. It can be triggered by anything, really, from the smell of feces to just seeing it in public.

David Sunnyside
Co-founder of Urban Splatter • Digital Marketer • Engineer • Meditator
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