noun, noun or participle which takes 'suru'
sudden extreme demotivation; losing all enthusiasm instantly
Colloquial term for a sudden, intense loss of motivation or excitement, often in response to a disappointing event or realization. Used as a noun or with する.
テストの結果を見てガン萎えした。
I got super demotivated after seeing my test results.
あの一言
That one comment totally killed my enthusiasm.