swash ‧ buck ‧ ling /ˈswɒʃˌbʌk ə lɪŋ $ ˈswɑːʃ-, ˈswɒːʃ-/ BrE AmE adjective
[ Date: 1600-1700 ; Origin: swashbuckler 'noisy boastful fighter' (16-20 centuries) , from swash 'to wave around or hit noisily' (15-20 centuries) (probably from the sound) + buckler ]
relating to adventures in which people do brave exciting things and fight against their enemies with swords:
a swashbuckling hero
a swashbuckling tale of pirates
—swashbuckler noun [countable]