One's metaphorical repository or "container" of an emotional representation of how much the person cares, gives shits, or fucks about a selected topic, situation, location or individual. Essentially, their "meh" meter. It can range from overflowing with agreeable consideration towards or so empty that the person struggles to remember a time when they gave a fuck or had any fucks left to give.

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.