I've been translating TV series called This is Us and I didn't understand this part.
Randall is poor father William's rich child. William is staying with them and in this episode, Randall's rich neighbors are reporting William for being suspicious(like, poor guy walking in rich neighborhood) Then Randall comes, apologizes for him. After this, dialogues are like that,
R: Would you have been happier if I made a big scene? You know, got up in Tony's face, had the cops roll up and turn the hoses on us?
W: You ever had a hose turned on you?
R: Can't say that I have, I'm very sorry.
W: Don't be. It hurts.
I really didn't understand this "turn hose on someone" part. I searched about this but can someone help me?