You guys seem to be hitting it off.
4 seconds sound clip from the Step Brothers (2008) movie soundboard.
You can hear this line at 01:23:42 in the Blu-ray version of the movie.
Quote context
[...]
- All right, we don't play that, so let's keep it in the '80s and let's keep it fun.
- If it seems like I've been lost in let's remember...
- You guys seem to be hitting it off.
- Oh, honey. Oh, my God, this is the greatest party.
- Hi, Dad.
[...]