This is the little-known twin brother of "Go Fuck Yourself." However, the demand is slightly more humiliating and degrading -- as the prospect of getting fucked by some unknown force in an unknown orifice is much more unsettling than merely fucking yourself, or masturbating.

Can be shortened to GGF for brevity.

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.