Just kidding sucka. A play on the traditional slang term jk.
Jesse: Dude, I think I just saw John Stamos.

Adam: Really?

Jesse: No...jks.

Adam: What does the "s" stand for?

Jesse: Sucka!
by Jesse G February 27, 2008
'jokes' used by many in msn chats
~me~: i killed my teacher 2day

~u~: dood thats totally jks
by tom_i._sux February 14, 2004

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