In the context of reality TV shows, particularly those like "Big Brother," housemates often compete in challenges that can grant them immunity from eviction. The phrase "the male with the most green balls" suggests a specific challenge or task where housemates collect or are awarded colored balls.

To provide a precise answer, I would need to know the specific season or version of the show you are referring to, as different seasons may have different challenges and outcomes. If you can provide that detail, I can assist you better!