play false

play (one) false

old-fashioned To deceive one; to cheat or swindle one. I insisted that they offer something as a collateral before we entered the deal, lest they play us false with their offer. The rogue had been playing the old lady false for nearly a year, preying on her trusting nature to bilk her out of her fortune.
See also: false, play
Farlex Dictionary of Idioms.

play false

Deceive or betray one, as in If my memory does not play false, I met them years ago in Italy. [Late 1500s]
See also: false, play
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • (one) could use (something)
  • get one over on (one)
  • get/put one over on somebody/something
  • drive (one) out of office
  • force (one) out of office
  • force out of office
  • give (one) (one's) head
  • give head
  • give somebody their head
  • give someone their head