noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'
high spirits; gleeful mood; exuberance
Describes a state of excited, joyful, and often noisy merriment. Commonly used as a noun, with する, or as a の-adjective.
子供たちは公園で大はしゃぎしている。
The children are in high spirits at the park.
彼女は合格の
She was overjoyed at the news of passing.