To swashbuckle means to fight with a sword in a very brave and sometimes showy way, like in old stories.
Swashbuckling can make people think of adventure, bravery, and old-fashioned heroes.
Examples:
The hero swashbuckled his way through the enemies.
She swashbuckled her way to victory.
They swashbuckled all day long.
The cat swashbuckled with the dog for the toy.
He swashbuckled so much that everyone cheered.
The pirate swashbuckled his way to the treasure.