The term 'flippant talk' can be defined as a type of speech characterized by its lightheartedness and lack of seriousness. This type of talk is often used to make jokes or to avoid taking a situation seriously. The crossword solution for this term is 'LEVITY, ' which is defined as the quality of being humorous or lighthearted. LEVITY is often used to describe a person's attitude or behavior, and it is often seen as a positive trait.