foreskin
The innervated layer of skin and thin muscle which covers the glans penis. In Japan, there is a stigma against the foreskin covering_the_head of the penis in adult men, so most penises depicted on Danbooru have retracted foreskins, and ones with the foreskin prominent are relatively rare.
See also
* biting foreskin
* foreskin insertion
* foreskin pull
* circumcised
* penis
* phimosis
* smegma
Aliases: none