We know a week before we piss.
3 seconds sound clip from the Training Day (2001) movie soundboard.
You can hear this line at 00:20:10 in the Blu-ray version of the movie.
Quote context
[...]
- That's what you had. That's what you were smoking. You couldn't taste it?
- You have now. I haven't, but you have.
- Man, I'm going to get piss-tested, and I'm going to get fired.
- We know a week before we piss.
- Boom!
- Isn't like I put a gun to your head.
[...]