fat cat(n = noun.person) - a wealthy and privileged person;
is a kind of have, rich person, wealthy person

abyssinian cat, alley cat, angora cat, animal fat, bear cat, bell the cat, big cat, black cat, blue cat, blue channel cat, bone fat, burmese cat, caffer cat, calico cat, cat, cat and mouse, cat and rat, cat bear, cat box, cat burglar, cat chow, cat cracker, cat fancier, cat flea, cat food, cat o' nine tails, cat rig, cat scan, cat scanner, cat scratch disease, cat shark, cat sleep, cat squirrel, cat suit, cat thyme, cat valium, channel cat, cheshire cat, chew the fat, civet cat, cohune fat, coon cat, copy cat, domestic cat, edible fat, egyptian cat, fat, fat back, fat cell, fat chance, fat embolism, fat farm, fat hen, fat metabolism, fat of the land, fat person, fat tuesday, fisher cat, flying cat, fossa cat, fraidy cat, house cat, jaguarundi cat, jungle cat, kaffir cat, leaf fat, leopard cat, let the cat out of the bag, madagascar cat, maltese cat, manx cat, margay cat, marten cat, miner's cat, mud cat, mule fat, native cat, otoba fat, pallas's cat, palm cat, panther cat, persian cat, polyunsaturated fat, puppy fat, ring-tailed cat, sand cat, scaredy cat, sea cat, siamese cat, tabby cat, tiger cat, true cat, wool fat