During the COVID-19 pandemic, numerous slang terms and informal phrases emerged to describe the virus, the disease, or the societal impacts associated with it. Among these, the phrase “slang for COVID-19” refers to informal, colloquial, or non-standard language used by the public, media, or even some professionals to refer to the virus or related concepts. Understanding what this term entails, where it originates from, and how it is used in real-life contexts can shed light on how language adapts during global crises.