play (one) for a sucker

play (one) for a sucker

To consider or treat one as stupid, naïve, or gullible and try to exploit it. I know you’ve been spending time with that woman again—don't play me for a sucker! I can't believe I let them play me for a sucker. I should have known the deal was too good to be true.
See also: play, sucker
Farlex Dictionary of Idioms.
See also:
  • I wasn't born yesterday
  • My mama didn’t raise no dummy
  • dummt
  • dummy
  • (my) mama didn't raise no dummy
  • greenhorn
  • (my) momma didn't raise no dummy
  • born yesterday
  • born yesterday, not (I wasn't)
  • a babe in arms