Related Clues:

• Rat on
• Sell out
• Abuse a trust
• Reveal by accident
• Inform on
• Stab in the back
• Sell down the river
• Blurt out
• Blurt out, say
• Backstab
• Inadvertently reveal
• Violate a trust
• Double-cross, sell out
• Reveal accidentally, or allow to skid?
• Double-cross like Judas