Boom, Shaka Lacka Share definition Flag Vocally mimicking the "shot" (BOOM) and "reload" (SHAKA LACKA) sound of a shotgun. "Mick raised the shotgun and pointed in Charlies face and BOOM, SHAKA LACKA Chuck was all over, literally." Boom, Shaka Lacka by Augustjaz711 March 11, 2009 0 0 Get merch Get the Boom, Shaka Lacka mug. Buy Now — $32.95 See more merch