What is cheater cheater pumpkin eater?

"Cheater cheater pumpkin eater" is a common phrase used to imply that someone who cheats on their partner will eventually face consequences. The origin of the phrase is unclear, but it is often used as a warning to those who are tempted to be unfaithful in a relationship. It is typically used in a humorous or teasing manner, but can also be a serious reminder of the importance of honesty and trust in a relationship. The phrase has also been used in various books, movies, and songs.