The term 'They're Full of Hot Air' can be broken down into five crossword solutions: EGOS (4 letters), GASBAGS (7 letters), SAUNAS (6 letters), DRIERS (6 letters), and STEAMROOMS (10 letters). Egos refer to an individual's sense of self-importance, while gasbags are people who talk a lot without saying anything meaningful. Saunas are rooms heated by dry heat, while driers are machines used to remove moisture from clothes. Finally, steamrooms are rooms filled with hot steam, usually found in spas. All of these solutions refer to people or places that are full of hot air, either literally or figuratively.