- Informal. an empty, voluble, pretentious talker.
- the bag of a bagpipe.
Origin of windbag
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- informal lengthy talk or discussion with little or no interesting content
- slang a voluble person who has little of interest to communicate
- the bag in a set of bagpipes, which provides a continuous flow of air to the pipes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper