Related Clues:

• Spills the beans
• Releases
• Spills
• Leaks, in a way
• Says too much, inadvertently
• Accidentally reveals
• Spells it out, as it leads to a revelation
• Spills inadvertently
• Gives away accommodation on ship - is that something to gloss over?
• Unintentionally reveals
• Reveals inadvertently
• Reveals by accident