ukiuki

Suru Verb
To-Adverb

1. cheerfully; buoyantly; happily; in high spirits

Usually Written in Kana
サッカーチーム全体 ぜんたい優勝 ゆうしょうして きしてた。
sakkāchiimu zentaiga yūshō shite ukiuki shiteta.
The whole soccer team was on cloud nine after winning the championship.
Other forms: