D defs.my
Entry 1 sense Webster, 1913

Dashism

/(-ĭz'm)/ · Dash·ism · IPA
01 n. The character of making ostentatious or blustering parade or show.
  1. 1.
    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.