Show derision is an expression of contempt or ridicule. It can be expressed in a variety of ways, such as snorting, hooting, sneering, and scoffing. Snorting is a loud, explosive sound made through the nose, often to express contempt or disbelief. Hooting is a loud, prolonged sound made to express derision or mockery. Sneering is a facial expression of contempt or scorn, often accompanied by a derisive comment. Scoffing is an expression of contempt or ridicule, often accompanied by a mocking laugh. All of these expressions are used to show derision.