At the conference, attendees gathered in small groups for hot chats about the latest breakthroughs.

Yesterday I caught him chatting up the new intern by the coffee machine.

At the gallery opening, Mark chatted up an artist whose work he admired.

He chats up the new colleague even though they barely know each other.

At the office party, her brief chit chats turned into deeper conversations.

The CEO's fireside chats helped employees feel more connected during the transition.

Customer support agents handled dozens of web chats during the product launch.

She back chatted her teacher yesterday and later apologized.

The manager had to address the constant back chats from younger employees before they affected morale.

The intern back chats his manager during presentations, which undermines the team's professionalism.