gasbag
Pronunciation:
/ˈɡæsbæɡ//ˈɡæsbæɡ/noun
Definitions
A bag or bladder to hold a reservoir of gas, as in a hot-air balloon.
A person who is overly garrulous or prone to making empty, unsupportable statements; a windbag.
verb
Definitions
To speak foolishly, pompously, or at length; to blather.