Where did the expression "eat a dog" come from?

Where did the expression eat a dog come from? - briefly

The phrase "eat a dog" is believed to have originated in the context of extreme hunger or desperation, implying that one would resort to eating anything, including a dog, to survive. This expression has been used since at least the early 19th century to convey dire circumstances or intense cravings.

Where did the expression eat a dog come from? - in detail

The phrase "eat a dog" is an idiomatic expression that originates from the idea of desperation or extreme hunger. Its roots can be traced back to times when people were faced with severe famine and limited resources, making them contemplate consuming anything available for survival, including dogs. This expression has evolved over time to signify a state of utter despair or willingness to do anything to achieve one's goals, often used in contexts where someone is desperate enough to take drastic measures. The historical and cultural significance of this phrase underscores the resilience and adaptability of human nature in the face of adversity.