blusters
blus-ters
verb
Talks loudly and aggressively, often without real power or effect.
"He blusters about his achievements constantly."
noun
Loud, aggressive, or arrogant talk, often lacking real power.
"His blusters failed to intimidate anyone."
Thesaurus
Synonyms: blow, boast, gas, brag, swash, shoot a line, gasconade, tout, vaunt, swagger, bravado, rodomontade