Murglak Share definition Flag a good for nothing person, a scum bag, a slime rat, an annoying stink. Murglak is an insult from Star Wars, which is based on a revolting creature. Coorta: "You Murglak!!" Murglak by FUJE April 25, 2006 0 0 Get merch Get the Murglak mug. Buy Now — $32.95 See more merch