Bone burn

The abrasions received on a guys penis from the unwelcome friction created during a extended sexual encounter with a chick who has a not groomed her pubic area recently.
A problem that was more prevalent during the 1980's "untamed bush" era.

Hey bro. Did you end up dogging the chick I saw you with at the party the other night? Yeah man. We fucked like porn stars. I ended up with a case of Bone Burn that the medical journals would be proud to feature.