I don't know whose kid he is, but he's as game as a pit dog!
5 seconds sound clip from the The Last Gangster movie soundboard.
You can hear this line at 01:06:40 in the Blu-ray version of the movie.
Quote context
[...]
- It will be hard for him to know, but I think that boy has enough spirit to outlive anything.
- Spin around, Sonny. That's the ol' kid.
- Getting hot, Paulsy walsie? How about a nice, cool drink of ice water?
- You wouldn't give me the sandwich, you won't give me the water.
- You heard that? I guess that told you!
- I don't know whose kid he is, but he's as game as a pit dog!
- That's throwing it in there, kid!
- Whoever his old man is, he ought to be proud of him!
- Come on, Curly. What are we waiting for?
[...]