Referenced in The Wedding Singer by Rob. Meant to describe a fine looking woman who has phenomonal attributes, which you would obviously tap. It is a somewhat derogatory term to refer to a woman as a mere piece of meat, which you would easily take all of.

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.