One who is fascinated and obsessed with their own and others' phallic. Usually the first to suggest a circle jerk or dutch rudder and often has a record for exposing himself in public.

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.