set tongues wagging

Meaning

1. to cause people to start talking about sb's private affairs

From the same entry

• get your tongue around
• hold your tongue
• roll off the tongue
• with your tongue in your cheek
• bite your tongue
• cat got your tongue
• find your voice
• have a loose tongue
• loosen tongue
• a slip of the pen
• on the tip of your tongue
• watch your mouth