miles gloriosus

Etymology
Borrowed from +.

Noun

 * 1)  A standard character in ancient comedy and in modern comedy depicting ancient military figures: the bravado-filled, self-important, swaggering soldier.

Usage notes

 * Miles Gloriosus was the title of a comedic work by the Roman playwright Plautus (circa 254–184 BCE).
 * Notably used as the name of a blustering military general in the comedic play and subsequent motion picture A Funny Thing Happened on the Way to the Forum (1962 and 1966, respectively).