One who
nibbles on a
cock ring,usually a crusty std infested mess of metal,smegma,puss and sometimes blood.
Someone who is gross and has poor
personal hygene.
Did you see those sores on their faces?They must've been
nibbling on used cock rings together in the basement.
That couple is gross they are covered in stds they say that
being a cock ring
nibbler is a healthy way to live!
That guy is so greasy and oily,he's such a cock ring nibbler!