Related Clues:

• Flushes, e.g., in poker
• Sings, in a way
• Poker giveaways
• Admits as much
• Rats (on)
• Mentions specific people
• Divulges some info
• Every now and then, they'll list orders
• Reveals inadvertently
• Goes caroling
• Auditions for "The Voice," e.g
• Reveals by accident
• Calls people out, reduplicatively
• Divulges everything
• Performs like Taylor Swift