arrogant behaviour, manner

exaggerated self-opinion

the noise of strong wind or waves

bullying, intimidation

a statement, speech, that one is or can do better, is richer etc than others

brag; source of pride

(an instance of) a display of boldness or courage

boastfulness

being flamboyant

exhibitionism, flashiness

an exaggerated display of wealth, skill etc to get admiration or envy

exhibitionism, flashiness