Well, I sure is a mean wittle kid, ain't 1?
5 seconds sound clip from the One Ham's Family (Tex Avery, 1943) movie soundboard.
You can hear this line at 00:05:53 in the Blu-ray version of the movie.
Quote context
[...]
- I bang and crash him like this all through the picture.
- Well, I cannot heckle the wolf anymore till he get back.
- I might as well heckle you people out there!
(chalk screeching on a chalkboard)
- Well, I sure is a mean wittle kid, ain't 1?
- I got something for you. You guess which hand it's in, and you can have it. You guessed it!
- Merry Christmas, mommy and poppy.
- Junior, you got a whipping coming to you.
[...]