sac cheese Share definition Flag When you cum and some of it gets on your balls and dries up. Sometimes if you're lucky a chick will lick it off for you. dude, I jerked off hardcore last night, and noticed I had so much sac cheese left over! sac cheese by Jacksonator February 7, 2015 0 0 Get merch Get the sac cheese mug. Buy Now — $32.95 See more merch