Good morning, Mom.
3 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 01:48:12 in the Blu-ray version of the movie.
Quote context
[...]
- You guys look great. Mom, you look so thin.
- Marty, I almost forgot. Jennifer Parker called.
- I sure like her, Marty. She is such a sweet girl. Isn't tonight the night of the big date?
- Aren't you going up to the lake tonight? You've been planning it for two weeks.
- Mom, we talked about this. How can I go to the lake? The car's wrecked. Wrecked?
[...]