bagpipes

beanbag

fleabag

gasbag

punchbag

windbag

Braggadocio, exhibitionist, peacock, ranter, gasbag, blusterer, bigmouth, egotist

The cast of Curing the Doctor - 1913 includes: Dot Farley as Dorothy Vernon Lloyd Hamilton as Count Von Gasbag

airbag, beflag, defrag, gasbag, jetlag, kitbag, padnag, ragbag, ragtag, reflag, seabag, stalag, tagrag, unsnag, wigwag, zigzag

bag of wind, big talker, big-timer, bigmouth, blatherskite, blowhard, blusterer, boaster, brag, braggadocio, bragger, egotist, exhibitionist, gasbag, gascon, grandstander, hotshot, know-it-all, peacock, ranter, raver, show-off, strutter, swaggerer, swashbuckler, swelled head, trumpeter, windbag


though you might be looking for arrogant