The Collaborative International Dictionary
Rushbuckler
Rushbuckler \Rush"buc`kler\, n. A bullying and violent person; a braggart; a swashbuckler.
That flock of stout, bragging rushbucklers.
--Robynson
(More's
Utopia).
Wiktionary
rushbuckler
n. (context obsolete nonce English) A bullying and violent person.