After I fell off my toilet, I drew this.
6 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 00:51:22 in the Blu-ray version of the movie.
Quote context
[...]
- The bruise-the bruise on your head, I know how that happened. You told me the whole story.
- There's something wrong with the starter, so I hid it here.
- After I fell off my toilet, I drew this.
- It works! It works! I finally invent something that works!
- Somehow we've got to sneak this back to my laboratory.
[...]