Cuntstache

After giving oral sex to your girlfriend, wife, or mistress; one may have a 'cuntstache'. This is when the saliva or woman juice gets all over your chin and gives you a remarkably slimy goatee. This can in turn, lead to a rash or possibly herpes.

Peter: Hey dude, you met up with Linda last night?

Jimmy: Yeah man, i gave her oral...

Peter: Dude you have a rash..

Jimmy: Oh yeah, that's my cuntstache, i need to go to the doctors and check it out.