Montezuma's Revenge is a term that refers to an upset stomach or diarrhea that travelers experience when visiting Mexico or other foreign countries. While it may not be the most pleasant experience, it's important to have alternatives when talking about it. Some synonyms for Montezuma's Revenge include traveler's diarrhea, Delhi belly, Cairo crud, and Bali belly. Whether you're traveling overseas or just dealing with a bout of food poisoning, it can be helpful to have a variety of terms to use when talking about gastrointestinal issues. Whatever you choose to call it, staying hydrated and seeking medical attention if necessary are crucial in overcoming these unpleasant symptoms.