No Trust Zone.

This symbol means you can't rely on anyone because people have let you down so much you don't believe anyone is trustworthy

Seeing this combo in a chat means the person is saying they'll stay cautious and not get too close to others without proof they're reliable

When posted online with no explanation, it often shows someone is making a general point about how people are too quick to break promises

In a work setting, this could signal a manager's warning to the team that mistakes won't be forgiven easily and everyone needs to prove they're dependable

A teenager might use this to show they're tired of adults being hypocritical, and they want to call out others for not being honest