son of a poo Share definition Flag A toned down goofy insult that implies one that was spawned by a sapient piece of fecal material. You spilled coffee on my brand new jeans you son of a poo! son of a poo by letithappen88 December 30, 2016 0 0 Get merch Get the son of a poo mug. Buy Now — $32.95 See more merch