aww dude i've got some gnarly cactus sack going on down south, i can barley sit still
after a man has shaved his sack and it begins to grow back producing stubble resembling the prickly bits of a cactus
"aww dude i've got some gnarly cactus sack going on down south, i can barley sit still" What is the definition of "cactus sack"?