braggadocio
From Longman Dictionary of Contemporary Englishbraggadociobrag‧ga‧do‧ci‧o /ˌbræɡəˈdəʊʃiəʊ $ -ˈdoʊʃioʊ/ noun [uncountable] especially literary BOASTproud talk about something that you claim to own, to have done etcOrigin braggadocio (1500-1600) Braggadocchio proud-talking character in the poem The Faerie Queen (1590) by Edmund Spenser