dotto
Exhaustion hits you all at once like a tidal wave — usually after the tension of a deadline or stressful event fades.
💡After finishing a big project — 'Once the deadline passed, the tiredness hit me dotto.'
試験が終わったら、どっと疲れが出た。
After the exam was over, fatigue hit me dotto.
After the presentation, exhaustion hit me ___ all at once.
プレゼンが終わったら、○○疲れが出た。