An extreme variation of roast beef or meat curtains; a horsemeat sandwich is often characterized by distinctive public hair. Excessive length of the labia renders shaving the area difficult or downright impossible. The horsemeat appearance stems from an anomalous protrusion of the inner lips from the labia majora. It's gross.

A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.