J40k Share definition Flag When someone lacks either intelligence and/or effort to get a job. And end up playing online games all day. "Oh my god McDonalds rejected me, great now i'm gonna be a J40k for the rest of my life" J40k by _WelshY_ December 17, 2008 0 0 Get merch Get the J40k mug. Buy Now — $32.95 See more merch
