Definition & Meaning of "eat somebody for breakfast"in English

What does "to eat sb for breakfast" mean in competitive slang?

The phrase "to eat someone for breakfast" means to easily defeat, dominate, or outperform someone, often in a competitive or confrontational setting. The structure is a metaphor where "eating for breakfast" implies something is so effortless it is consumed as a routine meal, extended to represent overwhelming superiority. It is informal slang commonly used in sports, gaming, and debate contexts to describe one-sided victories or clear dominance over another person.