Possible Clues:

• "OMG, enough!"
• 'No more sharing,' briefly
• 'Ew,' in a three-letter acronym
• "I don't need the details," for short
• Texter's "I didn't need to know that"
• 'That's enough!'
• 'Just stop right there,' casually
• "That's enough!"
• "Didn't need to know that!"
• Brief "Spare me the details"