Shave and a haircut.
5 seconds sound clip from the Who Framed Roger Rabbit movie soundboard.
You can hear this line at 00:54:48 in the Blu-ray version of the movie.
Quote context
[...]
- Gee. (2)
- No Toon can resist the old Shave and a Haircut trick.
- I don't know who's toonier, you or Doom.
- Roger! Ro... Roger. Roger, no!
- Hey, Judge, what should we do with the wallflower?
- Right now I feel like dispensing some justice.
[...]