Spermicelli Share definition Flag Thick stream of jizz that sticks to your cock because you didn't drink enough water. "I was dehydrated after drinking last night. When I jerked off this morning I had spermicelli." Spermicelli by mad mac October 14, 2012 0 0 Get merch Get the Spermicelli mug. Buy Now — $32.95 See more merch