If that's the case, then someone else must have subjected the finger to an electrical charge.

6 seconds sound clip from the Carry On Screaming! movie soundboard.

You can hear this line at 00:39:16 in the Blu-ray version of the movie.

Quote context

[...]

- Good heavens! It's worse than rabbits.

- Talk about pulling your finger out!

- Orlando, did you do this?

- Of course not. I've never seen the wrretched thing before.

- Are you sure?

- Yes, I'm sure!

- If that's the case, then someone else must have subjected the finger to an electrical charge.

- I don't like it.

- Neither do I. Let's face it, this thing is getting bigger than both of us.

- Who could that be?

- I knew it! It's the police. We're done for.

- Oh, why did I ever meddle in this horrible business? I was happy enough as a simple chemist, making my little liver pills. They never did anyone any harm. Well, not if taken in moderation. Of course, if you overdid it...

- Oh, for heaven's sake, pull yourself together!

[...]