A vain person is someone who is excessively proud of their own appearance or accomplishments. NARCISSIST, egoist, PEACOCK, FOP, COXCOMB, and POPINJAY are all terms used to describe a vain person. A NARCISSIST is someone who is overly self-absorbed and has an excessive need for admiration. An egoist is someone who is excessively concerned with their own interests and desires. A PEACOCK is someone who is ostentatious and showy in their dress and behavior. A FOP is someone who is overly concerned with their appearance and clothing. A COXCOMB is someone who is overly vain and conceited. Finally, a POPINJAY is someone who is vain and foolish.