bill of goods

noun
1.
a quantity or consignment of salable items, as an order, shipment, etc.
2.
Informal. a misrepresented, fraudulent, or defective article.
Idioms
3.
sell someone a bill of goods, to defraud or deceive someone:
He sold me a bill of goods about that used car.
Origin
1925-30
Idioms and Phrases with sell a bill of goods

sell a bill of goods

Deceive, swindle, take unfair advantage of, as in He was just selling you a bill of goods when he said he worked as a secret agent, or Watch out if anyone says he wants to trade bikes with you; he's apt to be selling you a bill of goods. The bill of goods here means “a dishonest offer.” [ c. 1920 ]