FOIST

noun a foister; a sharper.

2. foist ·noun a trick or fraud; a swindle.

3. foist ·noun a light and fast-sailing ship.

4. foist ·vt to insert surreptitiously, wrongfully, or without warrant; to interpolate; to pass off (something spurious or counterfeit) as genuine, true, or worthy;

— usually followed by in.