from the GNU version of the Collaborative International Dictionary of English
- n. a very boastful and talkative person.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a very boastful and talkative person
Sorry, no etymologies found.
The synonyms were spot-on: big mouth, blusterer, boaster, braggart, line-shooter, loudmouth, and — my personal favorite — vaunter.