sac-de-noix
A sac-de-noix is a nut-sack in French.
Terry gave me a back-handed knuckle-rap to my sac-de-noix!
tight sac-de-noix
A tight sac-de-noix is a firm container for a guy's sperm factories that he plays with while he's jacking his meat.
When I'm taking care of my morning wood, I like to play with my tight sac-de-noix!