interjection
hear, hear!; that's right!
An interjection used to express strong agreement or to cheer someone on, often in a lively or informal setting. It can be repeated for emphasis.
「もっと給料を上げるべきだ！」「ヒヤヒヤ！」
"We should raise wages!" "Hear, hear!"
「このチームは絶対勝つ！」「ヒヤヒヤ、その通り！」
"This team will definitely win!" "That's right, absolutely!"