So she poisoned him and sewed his mouth shut with a dull needle so he couldn't tell her secrets even in death.
8 seconds sound clip from the Hocus Pocus movie soundboard.
You can hear this line at 00:37:27 in the Blu-ray version of the movie.
Quote context
[...]
- Over here. I want to show you something. Give you an idea of exactly what we're dealing with.
- William Butcherson? Lost soul?
- Billy Butcherson was Winifred's lover. But she found him sporting with her sister, Sarah.
- Winifred always was the jealous type.
- Yes.
- Well, come along. I want to show you something else.
[...]