pig āļāļ·āļāļāļ°āđāļĢ pig āļāļ·āļāļāļ°āđāļĢ Any of several mammals of the family Suidae, having short legs, cloven hooves, bristly hair, and a cartilaginous snout used for digging, especially the domesticated hog, Sus scrofa domesticus, when young or of comparatively small size.The edible parts of one of these mammals.Informal A person regarded as being piglike, greedy, or gross. A crude block of metal, chiefly iron or lead, poured from a smelting furnace.A mold in which such metal is cast.Pig iron.Offensive Slang Used as a disparaging term for a police officer.Slang A member of the social or political establishment, especially one holding sexist or racist views.To give birth to pigs; farrow.pig out Slang To eat ravenously; gorge oneself: "a parent who asks a child, 'Would you like to pig out on pizza?'â ( George F. Will). in a pig's eye Slang Under no condition; never.pig in a poke Something that is offered in a manner that conceals its true nature or value.pig it Slang To live in a piglike fashion.