gasbag

Etymology
.

Noun

 * 1) A bag or bladder to hold a reservoir of gas, as in a hot-air balloon.
 * 2)  A lighter-than-air aircraft; a balloon or dirigible.
 * 3)  A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.
 * 1)  A lighter-than-air aircraft; a balloon or dirigible.
 * 2)  A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.
 * 1)  A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.

Translations

 * Bulgarian: газов балон
 * Finnish: kaasupallo
 * Georgian: გაზის ბალონი
 * German: Gassack

Verb

 * 1)  To speak foolishly, pompously, or at length; to blather.