👉 The term "fiendhead" is a term used in popular culture to refer to someone who has a tendency or inclination towards being a bit of a villain, especially one that seems malicious and unpredictable. In a sense, it's like having a bad side or trait that makes you seem more dangerous than you actually are. This term can also be seen as a play on words with "fiend," which is often used to refer to someone who has committed a serious crime or evil act.
