Sinner!
3 seconds sound clip from the Tommy Boy (1995) movie soundboard.
You can hear this line at 01:02:12 in the Blu-ray version of the movie.
Quote context
[...]
- Geez, I wonder if she goes out with one of the 'Yankees'.
- Big day tomorrow. I hope we can keep this momentum going.
- Who's your favorite little rascal? Alfalfa or is it Spanky?
- Sinner!
- By the way, did you ever eat paint chips as a kid?
[...]