Synonyms and related words :
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