co

Short for "coo," which is short for "cool." It is used as a positive acknowledgment or a signal of approval, not as an adjective.

Proper use:
"Hey, we're going to meet up with Jimmy at six."
"co"

Improper use:
"Get the fuck off my sister"
"Yo man, be co"

by d c a January 28, 2008

COS

abbrev. for Chill Out Slut; used when firing out the word "slut" is inappropriate, i.e. in a grocery store, courthouse, workplace, in front of children, etc. Encouragement for someone to relax, settle down, get out of your way, shut the hell up, etc.

Crazy bitch: "Did you hear about this and that and the other thing and this other thing and that person and what she did and he said and about what color underwear I'm wearing and what kind of weave do you have and where did you get that purse and did I tell you...."

Me: "OMG! COS! Seriously!

by COSsayer April 16, 2011

COS

Comfort Over Swag- Usually given to the guy who'd rather wear sweatpants than jeans out.

"John really believes in COS, dude."
"Yeah he was wearing sweatpants and a sweatshirt to the club last night."

by COS pro June 7, 2013

coing

When two or more people are going somewhere. You are not going, you are coing...

"Where will all you guys be tonight??"

"We are all coing to the movies."

by prinksmadge March 31, 2010

Co

Wow, or cool.
Sounds like 'Koe'
'oh!' with a 'k' in front

"Dude that chick just fell!"

"Co!"

by luvbo April 4, 2008

COS

Abbreviation for "Chamber of Secrets", the second book on J.K. Rowling's Harry Potter.

"cos is my fav book"

by Raqueli88 September 5, 2006

'cos

Because

FB? I’m voting/voted 4 my FB frs, 'cos they can COPE with ANCilliated DP etc. With play on political names –yes, I know the election is gone, but since home affairs opened for issueing of ID books after voter registration was closed I can’t foresee this being a problem to prepare early for the next elections.

by Hercolena Oliver July 11, 2010