the best way to get the right answer on the internet is not to ask a question; it's to post the wrong answer." The concept is named after Ward Cunningham

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.

Assuming through some weird logic that all of the screw ups in the world are at the fault of a close friend or relative