noun
venting pent-up anger; letting off steam
Refers to the act of releasing accumulated frustration or anger, often through some outlet like complaining, exercise, or a hobby.
カラオケで鬱憤晴らしをした。
I let off steam by singing karaoke.
彼はゲームで鬱憤晴らしをしている。
He vents his frustration by playing video games.
Standard kanji spelling; 鬱憤 is a common compound for pent-up anger/frustration.
Mixed kana-kanji spelling; 鬱 is complex, so うっぷん is often written in kana.
Compound of 鬱憤 (pent-up anger) and 晴らし (clearing, dispelling), the noun form of 晴らす (to dispel).