- We're really doing it, aren't we, buddy?
- Yeah.

3 seconds sound clip from the Dumb and Dumber movie soundboard.

You can hear this line at 00:19:55.609 in the Blu-ray version of the movie.

Quote context

[...]

- You'd better not be foolin'.

- Okay okay, just let it out. Have a good cry. Come on. Okay. Okay, that's enough.

- Lloyd, what are you doing?

- It feels like you're running at an incredible rate, Harry.

- Would you quit it? We're not even through Connecticut yet, and already you're annoying me.

- Sorry.

- Jeez.

- We're really doing it, aren't we, buddy?

- Yeah.

- Hey, where'd you get those?

- I bought them when we filled up.

- Well... We're supposed to talk about all expenditures, Lloyd. We're on a very tight budget.

- This didn't come out of our travel fund. No, I was able to raise 25 extra bucks before we left.

- Where did you get 25 extra bucks?

- I sold some stuff to Billy in 4C.

- The blind kid?

- Yeah! Yeah.

[...]