noun. A person who talks at length but says little of value.

What is pompous windbag?

noun. informal, derogatory. A person who talks at length but says little of any value. 'I think he's a pompous old windbag'

What does old windbag mean?

pejorative A person (not necessarily elderly) thought to speak at too great a length or to say little of value, often with an air of pretentious authority.