A "pushy salesman" refers to someone who aggressively tries to convince or persuade people to buy something they may not necessarily want or need. Full definition
He wasn...» t constantly trying to «close the deal» like other pushy salesmen at other dealers but concerned about finding all of the features that I was looking for on the trucks we viewed. (cars.com)
So like pushy salesmen with an inferior product, the unions resort to evasions, distortions and outright lies to sell their wares. (californiapolicycenter.org)