The human anus can stretch up to 7 inches before taking damage. A raccoon can squeeze into holes as tight as 4 inches, Meaning you can take almost two full raccoons up your ass. ლ(´ڡ`ლ)
There is a case where an old man shoved a live eel up his ass to relieve constipation. Also it can go up to 9/10 inches with the proper anal training and relaxants. However anywhere after 5 inches you run the risk of having a rectal prolapse 1 reply
