I want you to know that tonight I am gonna pleasure myself to the image of you doing that to Derek. You know what I mean? Masturbate. I am.
13 seconds sound clip from the Step Brothers (2008) movie soundboard.
You can hear this line at 00:33:48 in the Blu-ray version of the movie.
Quote context
[...]
- Hi. I'm Alice, I'm Derek's wife.
- Hi.
- Is it true you struck Derek in the face and he fell from the tree house?
- Oh, that's the most amazing thing I've ever heard.
- Oh, Dale. You are something. You are something.
[...]