I should have known. I fell for a dame who was playing me for a sucker.
5 seconds sound clip from the Dead Men Don't Wear Plaid movie soundboard.
You can hear this line at 01:17:30 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah. That explained a lot. Why Juliet was able to translate German, for one thing.
- I'd been played for a sucker. But it wasn't too late to set things straight.
- OK, everybody! Hands in the air! over on the steps. Let's go!
- Hold it! Stay where you are, you dirty, lying Nazi scum.
- I should have known. I fell for a dame who was playing me for a sucker.
- No, she did not play you for a sucker. I did.
- Pretending to be a butler, waiting on inferior races was galling to me. But I fooled everyone.
- You see, Rigby? I didn't betray you.
- How did you know to come to Carlotta?
[...]