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Joe: Hmm, I feel dizzy. *Checks boiler* Holly shit..Hey honey! Why is the boiler acting so- *collapses on floor and stops breathing*
CO by CaptainWhiteyBoy December 15, 2006
Related Words
Man: Purr😻😻

Me: why are you so CO ( Chronically online )
CO by ntlala53 February 28, 2023
"The tire is flat" says Jim. "Thanks CO!" says shane
CO by hankty6 July 23, 2009
Keeping dotcom company
I'd be more than happy to .co your site for a while.
.co by Hercolena Oliver April 19, 2009
The Comics and Cartoons board on 4chan that consists of:

* Grown men idolizing comic book superheroes.
* Fanboys of 80's - early 00's cartoons that consider them to be the greatest cartoons ever made because they grew up with them.
* General threads of Adventure Time, The Regular Show, My Little Pony,, and Homestuck (the en vogue series as of May 2011) that spam the board.
* Trolls that post fetish artwork from deviantart and get 200+ replies.
Typical /co/ conversation

Anon #1: Adventure Time is the greatest show ever!!!
Anon #2: I think Hey Arnold is better!!!
Anon #1: >>STOP LIKING WHAT I DISLIKE amirite? lol take off your nostalgia glasses!!!
/co/ by Phil0 June 6, 2011
Digital O-Face. A replacement for the smiley face when sexting, generally used after a steamy hot sexual innuendo. It can also be used in stealth form by those with dirty minds during general text conversation, when an accidental innuendo is encountered.
Brittany: Do you want me to grab your package?
Kevin: :cO
:cO by Jean Jacker March 26, 2011