Walk upstairs. Knock on door. Wait for answer. Raise one eyebrow. Say “dude, really?!”.
If they know they’re being a dick, they’ll crumble. If not, they’ll ask what the fuck you’re talking about and learn they’re affecting other people. Most of the time, job done.
Gaaaaadamn. Me and my neighbours have a bunch of kids, and bunch of anti-social interests. Little bit of adult communication and we make it all work.