Maybe this is the key.
4 seconds sound clip from the Super Troopers movie soundboard.
You can hear this line at 01:09:28 in the Blu-ray version of the movie.
Quote context
[...]
- I'll tell you what. I'll go down there and check it out.
- Burton, somebody's got to stay here.
- I mean, no offense, bro, but... when did you become a cop?
- None taken, Ramathorn. None taken.
- Really. How'd you know the key was there?
- A gentleman never asks. A lady never tells.
[...]