sand particulation Share definition Flag A sexual fetish; the act of inserting sand into one's urethra to attain sexual gratification. Greg: "I'm big into sand particulation, dude."Bob: "When you put sand into your dih?" sand particulation by Prof. Bob "Big" Dickinson March 12, 2025 0 0 Get merch Get the sand particulation mug. Buy Now — $32.95 See more merch