gasbag

noun

1. a bag for holding gas, as in a balloon or dirigible.
2. Slang. a talkative, boastful person; windbag.

noun

1. a person who talks in a voluble way, esp about unimportant matters

verb -bags, -bagging or -bagged

2. (intr) Irish to talk in a voluble way, esp about unimportant matters