sink balls

A substance created by the nut sack, similar to a broth of ball soup. Often occurs on hot days

Fuck its hot me grandies probably got sink balls.

sink two ball

When a guy inserts his balls (testicles) into a girls anal cavity.

Miller: Martha, I would love to drop my balls into a tight place.

Martha: Miller, you can sink two balls into my ass any day.

sink the eight ball

v- to take a dump

Boys, I have to go sink the eight ball!