Sandiginal Vaginosis

A severe medical condition only experienced by hypochondriacs and complainers. Cases most commonly found in the military among non-infantry personnel.

Non-medical term is sand in your vagina or sand in your pussy.

Guy 1: Oh my feet hurt, I'm gonna have blisters! Can we stop yet?

Guy 2: What's the matter, got some sandiginal vaginosis again? You are the biggest bitch I've seen. Rub some dirt on it and drive on.