pink slime definition
pink slime. LINK / CITE ADD TO WORD LIST. noun. Pink slime is defined as finely ground beef scraps, fat and tissue that have been made into a protein paste and treated to kill bacteria, to become a meat additive that is added into ground beef and processed meats as filler.ink slime is defined as finely ground beef scraps, fat and tissue that have been made into a protein paste and treated to kill bacteria, to become a meat additive that is added into ground beef and processed meats as filler.