A derisive smile is a facial expression that conveys contempt, mockery, or scorn. It is often characterized by a curled lip and raised eyebrow. The most common forms of derisive smiles are SNEER, SMIRK, and sneers. A SNEER is a facial expression of contempt or derision, usually characterized by a curled lip and raised eyebrow. A SMIRK is a facial expression of smugness or self-satisfaction, usually characterized by a slight upturn of the corners of the mouth. Sneers are a combination of a SNEER and a SMIRK, usually characterized by a curled lip and raised eyebrow, as well as a slight upturn of the corners of the mouth.