Sack Splash Share definition Flag When your dropping a large loaf and it crashes into the toilet with such force, water splashes up into your scrotum "Dude, I was pinching a turd when water came up and sack splashed me, I'm still kind of wet." Sack Splash by ForeverMoist October 13, 2009 0 0 Get merch Get the Sack Splash mug. Buy Now — $32.95 See more merch