Well, the only reason you're living here is because me and my dad decided that your mom was really hot and maybe we should just both bang her.
10 seconds sound clip from the Step Brothers (2008) movie soundboard.
You can hear this line at 00:15:58 in the Blu-ray version of the movie.
Quote context
[...]
- It is.
- Yeah.
- I just want you to know I hate you. So does my dad.
- Well, that's fine, because guess what? I hate you too.
- And we'll put up with the retard in the meantime.
- You.
- Shut up. You'll wake up my dad and get me grounded.
[...]