boastful or extravagant talk

a boastful statement or claim

एक घमंडी बयान या दावा

English Usage: The gasconade he made during the debate left the audience unimpressed.

Hindi Usage: बहस के दौरान उसका गैसकोनाड बयान दर्शकों पर प्रभाव नहीं डाल पाया।