Boastful talk or behavior is a type of speech or conduct that is characterized by excessive pride and self-admiration. It can be expressed in various ways, such as bragging, sassing, RODOMONTADE, GAS, and GASSY. Bragging is the act of speaking with excessive pride and self-admiration about one's own accomplishments or possessions. Sassing is the act of speaking disrespectfully or insolently to someone in authority. RODOMONTADE is a boastful and inflated speech or writing. GAS is an informal term for empty, boastful, or insincere talk. GASSY is an adjective used to describe someone who talks too much or talks in an exaggerated manner.