pitchman
     n 1: an aggressive salesman who uses a fast line of talk to sell
          something
     2: someone who travels about selling his wares as on the
        streets or at carnivals syn: peddler, pedlar, packman,
         hawker
see also:
peddler pedlar packman hawker 

32 moby thesaurus words for "pitchman":
   ballyhoo man, ballyhooer, barker, bunco artist, bunco steerer,
   canvasser, cardsharp, cardsharper, carpetbagger, con artist,
   con man, confidence man, crimp, horse coper, horse trader, jackleg,
   land pirate, land shark, land-grabber, mortgage shark, pettifogger,
   shark, sharp, sharper, sharpie, shortchanger, shyster, slicker,
   solicitor, spieler, tout, touter