Well apparently there is something called D-code

how big are you, how thick are you... well you don't have to do that anymore measure once and create a profile on the dick code, now if you want to know what kind of dick I have you just open my profile and see
https://dirtycode.io/4VDUD

there's also a code for vaginas you can do on there and tell people what your vagina looks like
http://vaginacode.creativerobot.co/