Spill the beans means to reveal a secret or hidden information. It is an idiom, so the meaning is figurative and not about real beans. People use it when someone tells something that was supposed to stay private.

This idiom is common in casual conversation. It often appears when people talk about surprises, plans, gossip, or private facts. It can sound playful, accusing, or joking, depending on the situation and the speaker’s voice.

Word or Phrase	Definition
surprise	This use refers to telling news before the right time.
plan	This use refers to revealing details that were not public yet.
gossip	This use refers to sharing private information about other people.
private fact	This use refers to telling something hidden or personal.

Spill the beans is stronger than simply say or tell. It usually suggests that the information was secret, hidden, or not meant for everyone. In some contexts, speakers also use it for information that is not a serious secret, but is still being kept back for a time.

The idiom often follows basic patterns with a subject and the phrase spill the beans. Speakers use different verb forms to match time and grammar. The object of the secret may appear after about or on.

Verb	Form
spill	spill the beans
spills	spills the beans
spilled	spilled the beans
spilling	spilling the beans

You can now understand spill the beans as an informal idiom for revealing a secret or hidden information. You can recognize its usual casual tone and understand that it may sound playful, accusing, or joking. You can also use basic sentence patterns with the idiom when talking about secrets, surprises, and private plans.