winner, winner, chicken dinner

childish

(childish) An expression or declaration of victory, especially in a game of chance.

Japanese Meaning

勝利の宣言、特に賭博やゲームなどでの勝利を示す表現 / 子供っぽい口調で使われ、冗談半分に勝者を称える言葉 / 勝者が得た勝利を祝う際の軽妙な表現

After flipping the last card he shouted, 'winner, winner, chicken dinner,' with a grin.

やったぞ、やったぞ、チキンの夕食は僕のものだ！

Sense（1）

(childish) An expression or declaration of victory, especially in a game of chance.

winner

（ canonical ）

chicken dinner

（ canonical ）