Do people with a penis have a higher exit velocity of their pee compared to those without because of its barrel-like shape?

10 days ago by Fleur_ to c/showerthoughts

This is a toilet thought, please ban me mods.

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AbouBenAdhem 66 points 10 days ago

The velocity is proportional to bladder pressure and inversely proportional to the square of the diameter of the urethra. The shape of the body parts outside the urethra is irrelevant.

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Fleur_ 11 points 10 days ago

This isn't true because I can squeeze the tip of my foreskin and the pee will start spraying everywhere super fast. Similar to covering the end of a hose with my thumb.

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AbouBenAdhem 13 points 10 days ago

Because of the inverse relationship between velocity and diameter.

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Fleur_ -4 points 10 days ago

Damn crazy. Do you think the shape of someone's genitalia has an effect on that velocity and diameter?

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tankfox 8 points 10 days ago

The optimal genitalia for urination has zero length. Imagine a frictionless laminar flow from a razor edged hole in your torso!

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Fleur_ 5 points 10 days ago

I've definitely seen public bathrooms where the previous occupant may have been utilising this technique

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tankfox 4 points 10 days ago path: 0 25212292 25212367 25212405 25212434 25213928 25214054 25214097, hotness: undefined, score: 4, children: 1
Fleur_ 3 points 10 days ago

Doesn't matter how smooth the piss flows, when it's coming out the torso it ain't hitting the toilet

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted clever little truths, hidden in daily life.

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