Possible Clues:

• "Enough details, please"
• "More than I want to hear!"
• 'You could've left some of that out'
• Shout with a quelling glance
• Initials for an oversharer
• "Spare me the specifics"
• 'That's more than I want to know!'
• 'Spare me the deets!'
• 'You're oversharing' in three letters
• 'OMG, that's enough!'