Hang plum
To "Hang Plum" is for a male individual to have large, swollen testicles that swing about when they move.
Tabitha: "Hey Curzak I've heard Steve has a huge ballsack, have you seen it?"
Curzak: "oh yeah, the dude can really Hang plum"
Curzak: "oh yeah, the dude can really Hang plum"