National Lampoon's Vacation1983

Lasky:
That's not a real gun, is it Clark?

Clark:
Are you kidding? This is a Magnum P.I.

Lasky:
It's a BB gun!

Clark:
Don't tempt me. I could put an eye out with this thing.

Lasky:
You couldn't even break the skin with that thing.

Clark:
Yeah I could. It could lodge in the skin and cause a very bad infection.

Lasky:
That's an old wive's tale Clark. I'm telling you. [Gets out of the rollercoaster car; Clark fires the pistol; Lasky groans in pain and sits back in the seat]

Clark:
See I told you. I warned you.

Lasky:
You wrecked these pants and you're paying for them!

Clark:
Yeah I will pay for them. [The rollercoaster ride begins]