[meatballs]

If you want a definitive list of such eloquent vocabulary you need to get your hands on viz's Roger Mellies profanisaurius an absolute must for any ardent linguist. (The latest version the Magna Farta is the best).
Couple of personal favourites: predators face for the lady bits and purple headed youghur slinger and albino cave dweller for the mens.

Also see: http://www.madblast.com/funny/13185_penis-names.html