👉 Deadpan is a term used in the field of psychology and communication to describe a person who appears to be unaffected by humor or sarcasm, often in situations where it may be inappropriate or offensive. The term is derived from "deadpan," which refers to a manner of speaking that is not affected by humor or emotion. In everyday language, deadpan can refer to someone who seems calm and unemotional when they are actually upset or angry. It's similar to the term "calm as