sell (one) a pup

sell (one) a pup

To sell or pass off something to one that ultimately proves to be worth nothing or less than promised. I'm sorry, but that's definitely not an authentic Louis Vuitton bag. They sold you a pup, my friend. He told us he has years of experience in this field when we hired him, but he acts like this is his first time handling accounts like this. I'm starting to think he sold us a pup.
See also: pup, sell
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

sell someone a pup

swindle someone, especially by selling them something that is worthless. British informal
This phrase originated in the early 20th century; the idea behind it is presumably that of dishonestly selling someone a young and inexperienced dog when an older, trained animal had been expected.
1930 W. Somerset Maugham Cakes and Ale The public has been sold a pup too often to take unnecessary chances.
See also: pup, sell, someone
Farlex Partner Idioms Dictionary © Farlex 2017

sell somebody/buy a ˈpup

(old-fashioned, British English, informal) sell somebody or be sold something that has no value or is worth much less than the price paid for it: I’m wondering whether this really is a genuine Rolex. Do you think I’ve been sold a pup?The idea behind this idiom seems to be that someone dishonestly sells a young dog with no experience to someone who is expecting a more valuable older trained dog.
See also: buy, pup, sell, somebody
Farlex Partner Idioms Dictionary © Farlex 2017
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