rob-dog

plural rob-dogs

1. informalA grasping person; a rip-off merchant.

   No one likes to be the first to raise prices for fear of being branded a "rob dog" or a "speculator" and losing trade, for all fear the reaction of customers and competitors (see Table V).

   1960, The Review of Economic Studies, volumes 15-16, page 153

   1 more example

   A rob-dog taxi driver wanted 60,000 dong to take us to the hotel—the same 11,000 dong trip we took a few days ago. When I told him that I know it's only 1km away and only costs 11,000 dong, he replied “okay, 20,000 dong”.

   2004, Warwick Allen, Sweat, page 194