musha-kusha
A boiling inner frustration that makes you want to lash out or do something reckless. Worse than ira-ira — you're about to snap.
💡Everything going wrong at once — 'I was so musha-kusha I went for a long run to cool off.'
むしゃくしゃして衝動買いしてしまった。
I was so musha-kusha that I went on an impulse shopping spree.
I was so ___ after the argument that I couldn't sleep.
けんかの後○○して眠れなかった。