expression, ichidan verb
speak energetically; talk big; argue heatedly
Used when someone speaks with great enthusiasm, boasts, or argues passionately. Often implies a display of strong emotion or bravado.
彼は会議で気炎を上げて、自分の案を押し通した。
He spoke energetically at the meeting and pushed through his proposal.
飲み会で気炎を上げる先輩に、みんな呆れていた。
Everyone was fed up with the senior colleague who was talking big at the drinking party.