The Collaborative International Dictionary
Dashism
Dashism \Dash"ism\ (-[i^]z'm), n. The character of making ostentatious or blustering parade or show. [R. & Colloq.]
He must fight a duel before his claim to . . . dashism
can be universally allowed.
--V. Knox.
Wiktionary
dashism
n. (context rare colloquial dated English) The character of making ostentatious or blustering parade or show.