CO

Corrections Officer, ie, Prison Guard.

The CO's put the joint on lockdown...

by Slick Willy March 19, 2005

CO

A term used to refer to a corrections officer.

Shithead CO's often turn a blind eye to jailhouse violence.

by Tim April 10, 2005

CO

A shortened version of the adverb "coldly" used in hip hop culture which is often used merely as an extra syllable in hip hop lyrics and means "just" or "simply."

I was co shootin' some hoops before I went to co get ill.

by Andrew January 14, 2006

CO

Chihuahua Owner. Created because people tended to rage and break their keyboards when forced to type "chihuahua" more than once a day. Chihuahua owners tend to have a nice laugh and lots of younger siblings.

Look its CO, her dog is so cute ♥

by vibrava November 02, 2011

CO

Chemical formula for Caron Monoxide

Joe: Hmm, I feel dizzy. *Checks boiler* Holly shit..Hey honey! Why is the boiler acting so- *collapses on floor and stops breathing*

by CaptainWhiteyBoy December 13, 2006

CO

chronically online

Man: Purr😻😻

Me: why are you so CO ( Chronically online )

by ntlala53 February 28, 2023

CO

abbreviation for the term "captain obvious"

"The tire is flat" says Jim. "Thanks CO!" says shane

by hankty6 July 23, 2009