I found this but don't see an actual source https://beinghuman.org/how-far-can-the-human-anus-stretch/ . Based on how painful a really big (but far less than 7") poop can be (or harmful with anal fissures) i'd bet this is fake
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I found this but don't see an actual source https://beinghuman.org/how-far-can-the-human-anus-stretch/ . Based on how painful a really big (but far less than 7") poop can be (or harmful with anal fissures) i'd bet this is fake