JKJ means “Son/Daughter of a b*tch” in Khmer abbreviation word written in English (Jour Ke Juy).
Most Cambodian people, especially adults are using it in a funny way with their close friends. But sometimes, to curse at someone they hate.

P.S. Please Don’t use it with strangers or elders people because that would be considered as extremely rude.
*Cursing:
A: Kon Mi JKJ = You're son of a b*tch
B: You too.

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JKJ means it is just a funny word to used to express your feeling on something you didn't feel FAIR.
by justcalledmewhateveryouwant December 19, 2021
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MI JKJ mean " I LOVE YOU , NEAT "
"HEY MI JKJ. "
by FARTS BUBBLES May 30, 2022
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