full of hot air
see hot air.
From POTUS To FLOTUS: A Full (White) House Of AcronymsThe faster we move, the more abbreviations and assorted acronyms we use, and when it comes to talking about the folks who reside at 1600 Pennsylvania Avenue—otherwise known as the White House—there are plenty of acronyms to choose from.
How The Hot Dog Got Its Silly (And Kind of Gross) NameThis July 4th weekend how about taking some time to consider the names of those items you are about to eat? Brace yourself for the short and disputed history of that American grilling favorite: The “hot dog.” Why do we call hot dogs, well, hot dogs? There are a few schools of thought on the origin of this favorite food. Some think that people commonly believed …
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.