gasbag

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gasbag

A person who speaks at too great a length, saying little of value and often with an air of pretentious authority. Ah, quit prattling on about the government, you old gasbag! You don't know the first thing about politics.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

gasbag

n. a braggart. What’s the old gasbag going on about now?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
Worse scenarios are that the craft burned up in the atmosphere,or the chutes or gas bags failed.
Osaka Gas normally employs gas bags to shut off gas flowing through a 150-mm/200-mm PE pipeline.
So he sneaked on board while final launch preparations were being made, climbing up to lie on top of a girder between the airship's gas bags.
Twelve hours after the voyage began, he was discovered, having become overcome by leaking hydrogen from the gas bags. He spent 20 hours recovering and was then put to work as a cook.
feet above Mars, gas bags should have inflated to create a six-foot balloon to soften the impact.
Mars Express went into orbit around Mars early on Christmas Day - about the same time that the British-built Beagle was supposed to land north of the Martian equator, its impact softened by gas bags and parachutes.
When it was 600 feet above Mars, gas bags should have inflated to create a balloon to soften the impact.
Protected by three inflatable gas bags, the lander is expected to bounce down like a beach ball, coming to rest at precisely 2.54am UK time.
In the next 7.7 minutes its speed had to be reduced to 36mph before three large gas bags inflated to surround the tiny craft in a protective cocoon.
The gas bags were supposed to rapidly inflate about 30 to 40 seconds after the main parachute was deployed.
Protected by three inflatable gas bags, the lander will bounce like a beach ball.
Even so,Beagle 2 will hit the ground at 36 mph and bounce 12 times before cutting free from the gas bags.
Don added: "These balloons are not just gas bags anymore.
Don added: "These balloons are quite complex structures and are not just gas bags anymore.