Balls are bouncy and they…
Omg Iverson had such bouncy big balls
Two big phat wrinkly lumpy spherical shapes connected to each other via skin, located under at a random but not extreme distance from the cock.
Cum is stored in the balls.
Billy "IM GONNA CHOP MY BALLS OFF !!"
Bob "NO BILLY PLEASE !! YOULL NEVER CUM AGAIN !!"