Dear Pocaroja...Here is your report!

Merkin:

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.

To hide the fact that she had Gonorrhea, Pocaroja used a merkin regularly at the Y.