Co 

A shortened term for 'Counter' as in counter attack.

she is so Co-coordinated, she falls a lot

Co by 50% Cat August 25, 2011

co 

cover option, as in does not require a condom

"She's a hot lover and CO too!"

co by Astroglider August 13, 2007

CO 

An abbreviation for NetDragon Websoft's MMORPG(Massive Multiplayer Online Role-playing Game) ConquerOnline2.0.

-I could take an hour or two for CO.
-Gotta go to play some CO.

CO by Tero Korhonen May 29, 2007

Co 

Opposite of unco (Uncoordinated); meaning when a person/thing does something that is completely coordinated.

Wow you managed to catch that ball that was going super fast at short range? That's so Co!

Co by JammyPOTTER March 27, 2009

CO 

An acronym used in place of the term Court Order. The term “court order” means a direction issued by a court or a judge requiring a person to do or not do something.

The judge put a CO in place that restricted the defendant from having any contact with the victim.

CO by Havekids_Theysaid September 17, 2018

Co 

Co is a slang term meaning for cool.

She is so co

Co by Cctfrfexded November 22, 2018

CO 

coke, llello, snow, cocaine, basically just a more lowkey version of saying cocaine around other people

Yo this party's boring lets go do some CO in the car real quick and come back.

CO by yxngplague August 29, 2019