flimflam
/ˈflɪmfæm/Definitions
1. noun
deceptive or insincere talk, especially with the intention of tricking or cheating someone
“The salesman’s flimflam about the car’s engine size was clear to the customer.”
2. verb
to deceive or cheat someone by talking or pretending in a way that is not sincere
“The politician was accused of flimflamming the public with false promises.”
3. noun
something that is showy or impressive but lacking in substance or value
“The fancy new restaurant was just flimflam, with overpriced food and poor service.”