Lucky pushed me first.
3 seconds sound clip from the 101 Dalmatians (1961) movie soundboard.
You can hear this line at 01:09:01 in the Blu-ray version of the movie.
Quote context
[...]
- I don't know, but somehow we've got to.
- Mother, Dad, Patch pushed me in the fireplace.
- Did not.
- Did not.
- Did not.
- Did not!
- Please, children, don't quarrel.
- Look, I'm a Labrador! We'll all roll in soot. We'll be Labradors.
[...]