Womanclature

Some guy actually "crowdsourced" this: 

262 Names For Boobs 

Astries Bazookas, Bazooms, Beacons, Beanbags, Bebops, Betty Boops, Big Boppers, Bikini Stuffers, Billibongs, Blinkers, Bombers, Bombshells, Bon Bons, Bongos, Bonkers, Boobers, Boobies, Boobs, Boops, Bops, Bosom, Boulders, Bouncers, Bra Buddies, Bra Stuffers, Breasts, Bronskis, Bubbas, Bubbies, Buds, Bulbs, Bulges, Bullets, Bumpers, Bumps, Bust, Busters, Busties, Butterballs, Buttons, Caboodles, Cams, Cannon Balls, Cantaloupes, Carumbas, Cha-chas, Charlies, Chihuahuas, Chimichongas, Chiquitas, Coconuts, Congas, Corkers, Cream Pies, Cuhuangas, Cupcakes, Dingers, Dinghies, Dingos, Dirigibles, Doodads, Doorknobs, Doozies, Double-Whammies, Dueling Banjos, Dumplings, Dunes, Ear Muffs, Eclairs, Eggplants, Enchiladas, Flapjacks, Flappers, Flesh Bulbs, Fog Lights, Fried Eggs, Fun Bags, Gagas, Garbos, Gazingas, Gazongas, Glands, Globes, Globlets, Gob Stoppers, Gongas, Goombas, Grapefruits, Grillwork, Guavas, Gum Drops, Hand Warmers, Handsets, Head Lamps, Headers, Headlights, Headphones, Headsets, Hefties, Heifers, Hemispheres, Hills, Hindenburgs, Honeydews, Honkers, Hood-Ornaments, Hoohas, Hooters, Hot Cakes, Hottentots, Howitzers, Hubcaps, Huffies, Humdingers, Hush Puppies, ICBMS, Jawbreakers, Jemimas, Jibs, Jobbers, Jugs, Jukes, Jumbos, Kabukis, Kalamazoos, Kazongas, Kazoos, Knobbers, Knockers, Kongas, Kumquats, Lactoids, Lip Fodder, Llamas, Loaves, LobLollies, Love Mellons, Love Muffins, LuLus, Macaroons, Mammaries, Mammies, Mams, Mangos, Marangos, Maraschinos, Marimbas, Mau Maus, Mausers, Meat Loaves, Meatballs, Melons, Milk Cans, Milk Fountains, Milk Shakes, Mambos, Molehills, Mommas, Mondos, Montain Peaks, Montezumas, Moo Moos, Mother Lodes, Mounds, Muchachas, Muffins, Mulligans, Mushmellons, Nancies, Nectarines, Niblets, Nibs, Nippers, Nippies, Nippleoons, Nippleos, Nips, Nodes, Nodules, Noogies, Nose Cones, Oboes, Oompas, Orbs Apples, Ottomans Balboas, Padding Balloons, Pagodas Bangers, Pair Bangles, Palookas Bassoons, Peaches, Peaks, Pears, Pects, Peepers, Pillows, Pips, Plums, Pointer-Sisters, Points, Pokers, Polygons, Pompoms, Pontoons, Potatoes, PT Boats, Pumpkins, Rangoons, Rib Cushions, Sandbags, Satellites, Scones, Scoops, Set, Shakers, Shebas, Shermans, Shimmies, Silos, Skin Sacks, Skooners, Smoothies, Snuggle Pups, Spark Plugs, Specials, Spheres, Spongecakes, Spuds, Stacks, Stuffing Casabas, Sugar Plums, Sweater Meat, Sweater Puffs, Sweet Rolls, Tahitis, Tamales, Tartugas, Tatas, Tattlers, Teats, Tetons, Thangs, Thingumajigs, Tidbits, Titbits, Tits, Titters Domes, Titties, Tom-Toms, Tomatoes, Torpedoes, Tortillas, Totos Dugs, Twangers, Tweakers, Tweeters, Twin Peaks, Twofers, Tympanies, U-Boats, Umlauts, Wahwahs, Zeppelins, Zingers.