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."

COS by COS pro June 7, 2013

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

"cos is my fav book"

COS by Raqueli88 September 5, 2006

cos

church of satan.

cos by ... July 1, 2003

An abbreviation for Chief of Staff, the best drinker in a group of political workers.

John: Eric was really hammered last night after the fundraiser. He must have had 20 beers.

Jason: Yeah, he’s the COS.

aim conversaton:
Jimz3213: yeah. i totally banged her sister last night.
Susiexxoox4: yeah well. cos...

how is your moms rehab going?

Cos by SUSIEEEEEEEEE November 10, 2007

Abreviation for the Church of Satan, an official organization referring to those that worship the devil.

He is a member of the CoS.
Just like FBC is First Baptist Church...

CoS by Heidi April 26, 2005

Miriam has a big cos.

cos by Johnny February 21, 2004