jit worm Share definition Flag Idiot person who has a lot of attitude and is always confused! They never know what's going on! Kayla is such a Jit Worm, I swear she is so confused all the time! jit worm by LAMPerzzz May 11, 2015 0 0 Get merch Get the jit worm mug. Buy Now — $32.95 See more merch