The emission or flatus of gas inside the intestines from the ass/anus. Also known as a big part of toilet humor and even as a Japanese cultural phenomenon dating back to the Heian period. When He-gassen 屁合戦 was a common competition. Most common art depictions are illustrated with characters eating a sweet potato. As it’s a classic gag of such an occurrence after eating them. The fetish attraction related to this is called eproctophilia.

See also

• smell

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