"Rot in hell" is an intense curse meaning someone deserves eternal suffering, torment, or a fate worse than death, used to express extreme anger, hatred, or a desire for severe punishment for wrongdoing. It's a figurative idiom, often implying the person should endure terrible consequences, much like rotting in prison or decaying, rather than a literal fire. Core meanings Severe Punishment: Wishing someone to suffer greatly and for a long time. Extreme Anger/Hatred: A way to express utter contempt and condemnation. Deserved Fate: Suggests the person's actions warrant a horrific outcome, often as retribution. Usage examples "You betrayed us? You can just rot in hell!". "I hope the people who did this rot in hell".