play (one) for a sucker(redirected from play someone 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.