Looking for the definition of KOS? Find out what is the full meaning of KOS on Abbreviations.com! 'Kill On Sight' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource.. What does KOS abbreviation stand for? Explore the list of 118 best KOS meaning forms based on popularity. Most common KOS abbreviation full forms updated in June 2025.
Looking for online definition of KOS or what KOS stands for? KOS is listed in the World's most authoritative dictionary of abbreviations and acronyms. What Does Kos Mean? The term KOS is an acronym slang that stands for "Kill on Sight." It is commonly used in online gaming, particularly in FPS games, MMORPGs, and other online multiplayer games. When someone says KOS, they are giving a command to eliminate an enemy or another player as soon as they are spotted. This acronym is often used by teammates in FPS games to coordinate attacks or.