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1 definition by Wilheim

 
1.
In context, JK 47 means the same thing as jk, or, "Just kidding". Although, it is more of an intense jk as it bears a wordy resemblance to the gun, AK 47.
"Man, I totally just robbed your house!"
"WHAT?"
"JK 47, dude."
by Wilheim April 23, 2008