What does KOS stand for?

MLA style: "KOS." Acronym Finder . 2012. AcronymFinder.com 30 May. 2012 http://www.acronymfinder.com/Keep-on-Smiling-(KOS).html
Chicago style: Acronym Finder . S.v. "KOS." Retrieved May 30 2012 from http://www.acronymfinder.com/Keep-on-Smiling-(KOS).html
APA style: KOS. (n.d.) Acronym Finder. (2012). Retrieved May 30 2012 from http://www.acronymfinder.com/Keep-on-Smiling-(KOS).html

Keep on Smiling

This definition appears very rarely and is found in the following Acronym Finder categories:

Other Resources:

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Korea Regional Office (US Army) Keystone Off Road Riders (Pennsylvania) Knoxville Oak Ridge Regional Network Kentucky Orthopedic Rehabilitation Team (private practice physical therapy group) Knights of the Round Table (online gamers) Korea International Textile Machinery Exhibition Russian-Korean International Symposium on Science and Technology South Korea-United States Free Trade Agreement Korea-United States Free Trade Agreement Koguryo (Dynasty)		Kernel Operating System Key Operated Selector Key Operated Switch Kids Over Shoulder Kill on Sight (gaming) King of Suicide (gaming) Kiss on Sight (gaming) Knights of Siberys (gaming, Dungeons & Dragons) Knights of Solamnia (DragonLance fictional organization) Knowledge of Self (song)

Samples in periodicals archive:

We have to keep on smiling, that's what we try to do," said Alison.

Byline: By LEE REYNOLDS WEST HAM manager Gianfranco Zola has vowed to keep on smiling, but admits a four-game losing streak needs to be ended soon.

ALLISTER Hogg has urged his Scotland team-mates to keep on smiling despite the huge challenge they face against England tomorrow.