Yo!
3 seconds sound clip from the Die Hard (1988) movie soundboard.
You can hear this line at 01:02:02 in the Blu-ray version of the movie.
Quote context
[...]
- He wasn't lying about Marco. He's down on the street.
- And the other man was Heinrich.
- Yo!
- We may have some problems. How's our schedule?
- Then don't waste time talking to me.
- This is Sergeant Al Powell of the Los Angeles Police Department.
[...]