blosefese Share definition Flag Blosefese is the combination of blood, semen, and feces found in someone's ass or on their penis from performing anal sex. After a Kenny gave Rob a rigorous ass pounding he had blosefese all over his dick. blosefese by Rutherford McFistinbitches November 4, 2013 0 0 Get merch Get the blosefese mug. Buy Now — $32.95 See more merch