He was up here. Boss? Boss!
5 seconds sound clip from the Batman: Mask of the Phantasm movie soundboard.
You can hear this line at 00:18:01.714 in the Blu-ray version of the movie.
Quote context
[...]
- Get away from me, you freak.
- Time to pay for your sins, Mr. Bronski.
- Buzz...
- All right, creep, catch this!
- Dave! Dougan! Boys! Come on!
- You always were a loser, Mr. Bronski.
- Oh, man.
[...]