Forty-seven? That's a hell of a good face-lift.

3 seconds sound clip from the Back to the Future Part II movie soundboard.

You can hear this line at 00:25:17.466 in the Blu-ray version of the movie.

Quote context

[...]

- The intent here is to gain a clearer perception of humanity. Where we've been, where we're going, the pitfalls and the possibilities, the perils and the promise. Perhaps even an answer to that universal question, 'Why?'

- Hey, Doc, I'm all for that. What's wrong with making a few bucks on the side?

- I am going to put this in the trash.

- Great Scott!

- McFly, Jennifer Jane Parker, 3793 Oakhurst Street, Hilldale, age 47.

- Forty-seven? That's a hell of a good face-lift.

- What the hell are they doing, Doc?

- They used her thumbprint to assess her ID. Since her thumbprint never changes over the years, they simply assume she's the Jennifer of the future.

- Well, we gotta stop them.

- What are we gonna say? That we're time travelers? They'd have us committed.

[...]