I have the same experience and always assumed it was caused by bowel contents putting pressure on the urethra in/around the prostate. I'd be interested to learn if there's anything more to it than that and if it's a uniquely male experience.. (I assume you're male?)
It's not a uniquely male experience...
Yup, this is the answer.
I'm pretty sure the muscles are controlled by the same nerves/neural pathways. A lot of people can't shit without pissing also but once you have shat you don't need to hold those muscles so you can let loose. It's a bit like trying to wiggle your ring finger without moving your pinky or middle. Except with your dick.
I have always peed first and then defecated. It never occurred to me to try the reverse order.
I believe this website explains it best.
https://motivatetherapy.com/2017/01/is-it-normal-to-pee-and-poo-at-the-same-time/
The real question is can you shit and prevent yourself from peeing if you have a full tank.
Is this…. a new lemmy challenge??
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