noun, noun or participle which takes 'suru', intransitive verb
jump for joy; be overjoyed
A yojijukugo expressing extreme delight, often with a physical manifestation of joy. Somewhat literary and emphatic.
合格の知らせに、彼は欣喜雀躍した。
He jumped for joy at the news of his acceptance.
A yojijukugo composed of 欣喜 (delight) and 雀躍 (jumping like a sparrow). The exact historical derivation is uncertain, but the phrase is used to vividly depict extreme joy.