It's short for "just kidding" but long for "JK."
Doctor: I'm sorry, but you've got SIDS
Patient: What?
Doctor: JUST K
by Mart Neyugn November 14, 2009
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When Kyle king gets the k it’s just the k
Kyles so good at football na bro its just the k
by Conor boss January 27, 2022
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