Blowhard

Alternative forms

 * blow-hard

Noun

 * 1)  A person who talks too much or too loudly, especially in a boastful or self-important manner.

Synonyms

 * big mouth, blusterer, boaster, braggart, loudmouth

Thesaurus
Captain Bobadil, Gascon, Texan, big mouth, blower, blusterer, boaster, brag, braggadocio, braggart, fanfaron, gasbag, gasconader, hector, hot-air artist, miles gloriosus, rodomontade, windbag, windjammer, windy