Thra‐son″ic‐al (?), a. [From Thrso, the name of a braggart soldier in Terence's “Eunuch:” cf. L. Thrasonianus.] Of or pertaining to Thraso; like, or becoming to, Thraso; bragging; boastful; vainglorious. — Thra‐son″ic‐al‐ly, adv.
Cæsar's thrasonical brag of 'I came, saw, and overcame.' Shak.