Bumped his head on the prison wall getting over.
3 seconds sound clip from the The Invisible Man (1933) movie soundboard.
You can hear this line at 00:07:57.819 in the Blu-ray version of the movie.
Quote context
[...]
- It's only the mustard, sir. I forgot it. I'm sorry.
- Have you been motoring on them slippery roads, sir?
- You can take my overcoat and dry it.
- Bandages right up to the top of his head, all round his ears.
- No, no blood. Looks like some kind of horrible accident.
- Bumped his head on the prison wall getting over.
- I wish you'd leave me alone when I'm working.
- I can't bear it. We've got to do something.
- Oh, he'll come back. Don't you worry.
- Father, please put that horrid thing down and listen.
[...]