The phrase "Spill the beans" is an idiomatic expression in English. Idioms are phrases with meanings that aren't immediately obvious from the individual words.
To understand the meaning of "Spill the beans," consider the context in which it is used. This phrase is often related to the act of divulging or revealing information that was meant to be kept confidential or secret.
Let's evaluate the options given:
Among the given options, the correct interpretation of 'Spill the beans' is to reveal a secret.