On a hot day after a man has taken a shit "Juicy Ass" happens in his ass crack with the feces that he wasn't able to wipe away because of his hairy ass crack.
A common children's gameplayed among nymphos, involving a rubber ball. The purpose of this game is to collect as much juicy ass on the ball as possible before times expires.
Sorry I missed dinner, mom. I was playing juicy ass ball with some of the other neighborhood nymphos.