cari istilah yang lo mau, kaya' sex:
 
1.
1. Undoubtedly the most intriguing character in Xenosaga Episode 1: Der Wille zur Macht.

2. Pure sex.

3. Ownage juice.
KOS-MOS: "I own you all."

All: "...yeah"
dari Kenji Tetsuo Senin, 24 Maret 2003
 
2.
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.
dari Dead_Board Kamis, 07 Desember 2006
 
3.
An awesome Xennosaga character and the coolest android ever.
Another definition of kickass.
Damn kos-mos just pwned those aliens!
dari Patriotic@america Kamis, 22 Desember 2005
 
4.
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! watch out!
dari johnathan gibbs Senin, 05 Januari 2004
 
5.
n. something that should be difficult to accomplish, even for a skilled and talented person, yet is easily blundered through and successfully completed by the most incompetent individual, usually by dumb luck. Named for an unskilled gentleman with a knack for accomplishing the above on a pool table.

v. the act of successfully completing a difficult task with relative ease, esp. when the person in question lacks the skill to accomplish said task.
Hapless poll player: "I don't believe you left me behind the 8-ball again!"
Snarky pool player: "What are you talking about? It's a kosmo!"

Observer: “That was a hell of safe.”
Pool player: “It doesn’t matter. He’ll just kosmo it and run out.”
dari notshown Minggu, 21 Agustus 2005