Definition & Meaning of "gasbag"in English

What is the origin of the term "gasbag" and how is it used?

"Gasbag" is an English slang term that appeared in the early 20th century, originally referring literally to a bag used to hold gas. By metaphor, it came to describe a person who talks excessively, boastfully, or pompously, as if their words are full of hot air. The term is used in informal speech and writing, often humorously or critically. It is mildly derogatory, targeting behavior and style of speech rather than being deeply offensive.