Wiktionary
vb. 1 (context transitive English) To fraudulently pass (goods, or ideas) on to. 2 (context transitive English) To lie to; tell a lie to.
WordNet
Usage examples of "foist off".
The one time Charlie had tried to explain, Xanthus had called him several filthy words and beaten him nearly senseless for blatantly attempting to foist off falsehoods as excuses.
It was Nick who told her to avoid all the fancy techno-tools the Board tried to foist off on Teachers.
If he speaks a single word to me, I shall declare myself an orphan bastard whom King Casmir wishes to foist off on him.
And with a sex-mad mob of monster brides I'm to foist off on our people at the Loving?
Arpiar Pogossian and his friends brought out mops, buckets and solvents which would disassemble and digest the bloodstains from the floor this was one very personal piece of work they didn't intend to foist off onto the first year novices.
Because we are less human, we foist off the humanity we have lost on inanimate objects and abstract theories.