Wiktionary
n. 1 (context business English) A collection of items purchased or offered for sale. 2 (context idiomatic English) A set of misleading or deceptive claims; misinformation.
WordNet
n. communication (written or spoken) that persuades someone to accept something untrue or undesirable; "they tried to sell me a bill of goods about a secondhand car"
a consignment of merchandise
Usage examples of "bill of goods".
The FBI has sold them a bill of goods about national security or something like that.
Franks said he wanted to war-game these options out to make sure he was not selling Rumsfeld a bill of goods.
You've been trying to sell me a bill of goods I'd certainly like to buy.
He had a bill of goods to sell, and he suspected it was rather imperative that he sell it.