What’s the origin of the phrase “let the cat out of the bag”?

It means to reveal a secret accidentally.

📜 History: One theory dates back to 18th-century markets, where dishonest sellers would put a cat in a bag instead of a piglet, tricking buyers. If someone opened the bag, the secret would be revealed!

🤔 Trivia: A similar phrase, “spill the beans,” comes from ancient Greek voting practices, where white and black beans were used for secret ballots!