Tostilocos is a popular Mexican street snack that starts with a base of Tostitos tortilla chips and is loaded with a mix of bold, tangy, and spicy toppings. Common ingredients include cucumber, jícama, tamarind candy, Japanese peanuts, chamoy, lime juice, hot sauce, and chili powder. The result is a vibrant, crunchy, and flavorful treat that combines sweet, sour, spicy, and salty in every bite. It's especially popular at street fairs, parties, and late-night food spots.