Tautology: The scientific study of Mexican cooking.
Firewall: Literally an asbestos wall inside your computer that protects the hottest parts from catching on fire. When people tell you that it’s unhealthy to spend too long on a computer, this asbestos is what they are referring to.
Oxymoron: A person who doesn’t know how to breathe.
Exfoliate: A substance – often shampoo or shower gel – which removes leaves and twigs from skin.