noun. An expansible bag for holding gas.

noun. One given to empty or boastful talk.

noun. A bag for holding gas, as for the use of dentists or for a limelight.

noun. A cylindrical bag of some gas-tight material fitted with a tube and valve so that it can be filled with air from an air-pump.

noun. A boastful, loquacious person; a conceited gabbler.

noun. a person who talks a great deal about uninteresting topics.

noun. the bag containing the gas in a balloon.

noun. A bag or bladder to hold a reservoir of gas, as in a hot-air balloon.

noun. Metaphorically, a person who is overly garrulous or prone to making empty, unsupportable statements.

noun. a boring person who talks a great deal about uninteresting topics

noun. the bag containing the gas in a balloon

"The loud-mouthed gasbag is obviously awakening to the fact that his influence, his credibility and his future livelihood is threatened by the fact that he will soon be proven wrong."

bag  bore  dullard  

Jessi  Shel  andthey  approximating  backcloth  

Captain Bobadil  Gascon  Graf Zeppelin  Texan  aerostat