- I didn't do it.
- Of course you didn't do it, you little twit.

4 seconds sound clip from the Matilda (1996) movie soundboard.

You can hear this line at 00:21:20.262 in the Blu-ray version of the movie.

Quote context

[...]

- Dinnertime is family time.

- What is this trash you're reading?

- It's not trash, Daddy, it's lovely. It's called Moby Dick, by Herman Melville.

- Moby what?

- This is filth! Trash! Here.

- It's not mine! It's a library book.

- Trash!

- I'm fed up with all this reading! You're a Wormwood, you start acting like one! Sit up and look at the TV.

- Producers are not liable for any skin irritation resulting from our game. Get real sticky and get cash for free. All right, that's enough. Let's get sticky!

- I didn't do it.

- Of course you didn't do it, you little twit.

- I told you that was a cheap set.

- It's not a cheap set, it's a stolen set.

- Put your light on!

- Was it magic or coincidence? She didn't know.

- It is said that we humans use only a tiny portion of our brains.

[...]