OWS Meaning in Chat or Text Messages Online

OWS is an internet slang that stands for Occupy Wall Street. It refers to a social movement that began in 2011, where protesters gathered in New York City's financial district to protest against economic inequality and corporate greed. The movement quickly spread to other cities across the United States and around the world.

Example:
Person 1: Did you hear about the OWS protests happening in downtown today?
Person 2: Yeah, I saw some news coverage about it. It's crazy how many people are out there.