gas·co·nade /ˌgæskəˈned/
  自負,誇口(vi.)自負,吹牛
  Gas·con·ade n.  A boast or boasting; a vaunt; a bravado; a bragging; braggodocio.
  Gas·con·ade, v. i. [imp. & p. p. Gasconaded; p. pr. & vb. n. Gasconading.] To boast; to brag; to bluster.
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  gasconade
       n : an instance of boastful talk; "his brag is worse than his
           fight"; "whenever he won we were exposed to his
           gasconade" [syn: brag, bragging, crow, crowing, vaporing,
            line-shooting]
       v : show off [syn: boast, tout, swash, shoot a line, brag,
            gas, blow, bluster, vaunt]