WINDBAG Meaning of WINDBAG in English — windbaggery , n./wind"bag'/ , n.1. Informal. an empty, voluble, pretentious talker. 2. the bag of a bagpipe. [ 1425-75; late ME; see WIND 1 , BAG ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012