when you take a pair of sunglasses and set them on your penis while you are naked. Thus making a face with your penis as the nose, ballsack as the chin, the pubes as the hair, and the sunglasses as the eyes. The hair style of the face can vary depending on the length of your pubic hairs. It looks very funny.
Term normally used as an adjective describing someone with a male penis, or cock, on their face, usualy used in terms with being to serious and a cock actualygrowing on their face.
Girl #1: "Eww why does Imran have a cock on his face?"
Girl #2: "Cause he's a cock face, and a pussyless faggot!"