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1.
JKY
Acronym meaing "just kill yourself". Response to when a drama queen says "FML"
Person 1: I had too wake up early, now I have to go to work FML.

Person 2: God I'm tired of your self-pity whining, JKY
by CPA mofo September 22, 2009
 
2.
jky
Literally meaning "just kill yourself". Used in cases of extreme frustration of people you would really like to never see again.
Loser on AIM spamming you: LOL LOL LOL LOL LOL LOL LOL LOL
You: JKY you douche
by I'm a ninja. For real, I am. February 28, 2008