"Best Served Cold" is a popular phrase that suggests that revenge is more satisfying when it is delayed and executed with careful planning. The saying implies that taking time to strategize can enhance the impact of the revenge, making it more effective and gratifying. The phrase is often associated with literature and film, where characters seek vengeance against those who have wronged them. It highlights themes of betrayal, justice, and the complexities of human emotions, often leading to dramatic and unexpected outcomes in stories involving characters like Macbeth or The Count of Monte Cristo.