You so much as scowl at my niece or any other kid in this school and I hear about it, I'm coming looking for you.
8 seconds sound clip from the Uncle Buck (1989) movie soundboard.
You can hear this line at 00:58:28 in the Blu-ray version of the movie.
Quote context
[...]
- My uncle was microwaving my socks, and the dog threw up on the couch for about an hour.
- Honest?
- Yes.
- Why was your uncle microwaving your socks?
- He can't get the goddamn washing machine to work.
- Take this quarter. Go downtown, and have a rat gnaw that thing off your face.
[...]