What does “TS” most commonly mean in everyday texting?

Ts meaning in text is Talk Soon. It is an informal texting. It's a polite, effective way to finish a conversation that lets the other person know you'll be back in touch later. It's similar to saying "Chat later," but shorter. It is particularly well-liked by messaging apps due to its warmth and simplicity. In order to remain courteous but informal and to leave the line open for future discussions in a laid-back fashion, people frequently finish conversations with "TS."