You were something. You were really great out there.
4 seconds sound clip from the Grease (1978) movie soundboard.
You can hear this line at 00:22:33 in the Blu-ray version of the movie.
Quote context
[...]
- All right, gang, let's go get 'em!
- You were something. You were really great out there.
- I really messed up. I was so nervous.
[...]