Proctalgia fugax (https://vester.si/bodily-oddities/oddities/proctalgia-fugax/), also known as "shooty arse":
https://www.youtube.com/watch?v=USB90D7ywiE
The video is oddly comforting. "Everyone gets it!"
I remember reading about the phenomenon, that it was colitis (inflammation of the arse, presumably due to gut flora imbalance).
The video is oddly comforting. "Everyone gets it!"
I remember reading about the phenomenon, that it was colitis (inflammation of the arse, presumably due to gut flora imbalance).