l c k Share definition Flag a hispanic gang from Los Chavez New Mexico. stands for Los Chavez Kings. "L C K is the downest shit ever!!" Sureno: "Oh shit, here comes an l c k, lets run away ese!!!" l c k by mateothathug September 18, 2007 0 0 Get merch Get the l c k mug. Buy Now — $32.95 See more merch