Okay. But I don't know what to say.
4 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 01:03:26 in the Blu-ray version of the movie.
Quote context
[...]
- What made you change your mind, George?
- Let's just keep this brain-melting stuff to ourselves, okay?
- All right, okay. There she is, George.
- Now just go in there and invite her.
- Okay. But I don't know what to say.
- Just say anything, George. Say whatever's natural, the first thing that comes into your mind.
- Nothing's coming to my mind.
- Jesus, George, it's a wonder I was even born.
- Look, tell her destiny brought you together.
[...]