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A character in the video game Xenosaga that has the ability to turn little girls gay.
When MOMO met KOS-MOS she immediatly turned gay.
KOS-MOS by Dead_Board November 12, 2008
An awesome Xennosaga character and the coolest android ever.
Another definition of kickass.
Damn kos-mos just pwned those aliens!
kos-mos by Patriotic@america December 28, 2005
An Anti-Gnosis Humanoid Fighting System, serial number
00-00-00-00-1. Development name KP-X. Abbreviated name KOS-MOS. Configured for simulated battle, while kept at a fighting capability of 22% of it's normal out put
Kos Mos by johnathan gibbs January 5, 2004
The founder of English Chatting group where tosser wogs fight against admins. Kosmos is Uzbek man with a chaotic mind. Uncommon guy who doesn't fallow the sheep. Lots of bastards always talk shit about him but he never gives a single fu*k about what others say. He is the greatest dude you have ever met.
You know this group's owner Kosmos was accepted to the California Institute of Technology, where he is now a sophomore majoring in computer science.
Kosmos by XXXdead July 21, 2019

Kosmoski 

That was so like Kosmoski!
Kosmoski by Matthew Kosmoski August 13, 2006
- “I love you more than the whole kosmos!”
Kosmos by jbgyfiurwhjkbdsc May 2, 2023