loud speech; boasting; talking big
Refers to speaking in a loud, boastful, or exaggerated manner. Often implies showing off or making grand claims.
I'm always amazed by his loud boasting.
I'm fed up with hearing loud talk at drinking parties.
Compound of 高 (taka, 'high') and 話 (hanashi, 'talk, story'), with rendaku voicing to ばなし. The literal sense of 'high talk' developed into the meaning of loud or boastful speech.