THESAURUS
boiler room
Klaxon, boiler factory, brokerage, brokerage house, brokerage office, bucket shop, bull-roarer, bunco game, catcall, cherry bomb, clack, clacker, clapper, con game, confidence game, cracker, cricket, firecracker, goldbrick, horn, noisemaker, rattle, rattlebox, shell game, siren, skin game, snapper, steam whistle, stockbrokerage, thimblerig, thimblerigging, ticktack, whistle, whizgig, whizzer