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What does CO stand for?

CO stands for Chill Out

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture

See other definitions of CO

Other Resources:
We have 60 other meanings of CO in our Acronym Attic

Samples in periodicals archive:

Between October 26 and November 6, Boro Buzz promised a youth festival full of action, adventure, challenges and chill outs, with over 60 events and activities.