fob sb off (with sth)
phrasal verb with fob verb informal uk/fɒb/ us
to persuade someone to accept something that is of a low quality, or different to what they really wanted:
The bank delayed on his compensation claim for eight years while attempting to fob him off with much smaller sums.
to try to stop someone from complaining or asking questions by telling them something that is not true, or giving them an excuse:
When you go back to a shop with faulty goods, don't be fobbed off with claims that it's the manufacturers' responsibility.