2 definitions by sunnyvalemangoes

acronym for kill joy; describing someone when they ruin your good vibes/idea by shitting all over it with their responsible ass
jeff: let's do weed tomorrow with the kids
bob: nah that's bad
jeff: you're so kj
by sunnyvalemangoes November 30, 2019
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when someone makes a funny af joke but you throw shade... but its still fucking hilarious
jessica: "my ass looks better than her face"
friends: "OMG JESSICA YOU'RE SO MEAN FUNNY!"
by sunnyvalemangoes February 17, 2019
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