1. Synonyms for smart Aleck include clever clogs, know-all, know-it-all, wag, wiseacre, wise guy, smart alec, smarty, smarty pants and swellhead

2. Blowhard: 1 n a very boastful and talkative person Synonyms: boaster , braggart , bragger , line-shooter , vaunter Type of: egoist , egotist , swellhead a conceited and self-centered person

3. Braggart: 1 n a very boastful and talkative person Synonyms: blowhard , boaster , bragger , line-shooter , vaunter Type of: egoist , egotist , swellhead a conceited and self-centered person adj exhibiting self-importance Synonyms: big , boastful , bragging , braggy , cock-a-hoop , crowing , self-aggrandising , self-aggrandizing proud feeling