Boycubpiglet Share definition Flag The offspring of the end of the world as we know it, Manbearpig. i saw Manbearpig and his son, Boycubpiglet, droppings, they look like pig droppings, just more manbear like. Boycubpiglet by Al Gore's Twin July 1, 2011 0 0 Get merch Get the Boycubpiglet mug. Buy Now — $32.95 See more merch