expression, godan verb (-tsu)
eat heartily; eat one's fill
Idiomatic expression literally meaning 'to beat a belly drum', used when someone eats to their heart's content with obvious enjoyment.
久しぶりのごちそうに、みんな腹鼓を打った。
Everyone ate heartily at the long-awaited feast.
彼は大
Faced with his favorite ramen, he could only eat his fill with gusto.