fob off on
phr. v..phr. v.. to give someone a task or an item that you do not want because it is low quality or boring.
phr. v.. to deceitfully or unfairly transfer an unwanted task, responsibility, or inferior item to another person.
He tried to fob his old phone off on me.
The manager always tries to fob the weekend shifts off on the new interns.
The company attempted to fob the blame for the environmental disaster off on a minor subcontractor to protect its stock price.
usually implies the person receiving the thing is being tricked or treated unfairly.
this is a three-part phrasal verb that is often used with 'fob off' (to give an excuse) but adding 'on' specifies the victim of the action.
He fobbed off the work to me.He fobbed the work off on me.the preposition 'on' is required to indicate the person receiving the unwanted thing, and 'to' is incorrect here.