bluster

(noun) noisy confusion and turbulence. Examples: "He was awakened by the bluster of their preparations."

(noun) a swaggering show of courage. Synonyms: bravado.

(noun) a violent gusty wind.

(noun) vain and empty boasting. Synonyms: braggadocio, rodomontade, rhodomontade.

(verb) blow hard; be gusty, as of wind. Examples: "A southeaster blustered onshore." "The flames blustered."

(verb) show off. Synonyms: boast, tout, swash, shoot a line, brag, gas, blow, vaunt, gasconade.

(verb) act in an arrogant, overly self-assured, or conceited manner. Synonyms: swagger, swash.