Related Clues:

• Chatter indiscreetly
• Give away secret British science establishment
• Don't keep a secret
• "Tell us!"
• Share a secret
• Spill the tea, say
• Be a poor confidant
• Let a secret slip
• Tell the teacher, say
• Reveal (a secret)
• Give away, as a top secret
• Let the cat out of the bag, say
• Show a tell