Glop is an unappetizing stuff that is usually made from a combination of different ingredients. It is often used as a topping for desserts or as a filling in pastries. It is usually made with a combination of sugar, butter, and flour, and can also include other ingredients such as nuts, fruits, and spices. GLOP is not considered to be a very appetizing food, but it can be used to add flavor and texture to certain dishes.