Acronyms dictionary JKL What does JKL mean? JKL is an acronym that means just kidding loser, or just kidding LOL (or just kidding laugh). On Twitter, JKL is often in reference to a Kenyan talk show, Jeff Koinange Live. Examples of JKL Me: I'm dating your mom ... You: WTF? Me: JKL P1: Nice outfit ... I didn't know red cowboy boots made a comeback after HIMYM P2: 😒 P1: JKL! @sautisol what happened to the continuation of "Coming Home"? Loving the show @KoinangeJeff #JkL @Weyusiaemmanuel, April, 2018 SEE MORE EXAMPLES Just Added shelfie, ACAB, yeet, Karen, BIPOC Note This is not meant to be a formal definition of JKL like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of JKL that will help our users expand their word mastery.