You must be on the millions, you're presuming.
4 seconds sound clip from the The Sin of Harold Diddlebock movie soundboard.
You can hear this line at 00:46:59 in the DVD version of the movie.
Quote context
[...]
- That's right, she paid 15 to one.
- I took the 15,000 dollars I bet on Aunt Emmaline. And bet it...
- On Bertha B. Bertha Bernhoff.
- You remember your own mother's name, don't you?
- Yes.
- You must be on the millions, you're presuming.
- This big fat man. Big harked mower, was it generous Jake.
- He was always smiling, a big happy smile. Like a shark, he had it right in his pocket for me.
- He said all in cash. All he had to do was reach right in and pull it out. That's right.
[...]