Considering how many neighbors end up butting heads over petty matters, it's a wonder that any of us can live next to each other.
And whether it's because of something the neighbor's dog or kids are doing or simply the ways their personalities mesh, a lot of people have discovered the hard way that they're not as chill and difficult to annoy as they may once have thought.
But while it can be fairly easy to avoid problem neighbors when there are entire houses between you, it gets a little trickier when the only thing separating you is one wall.
And that's how one little clash between neighbors ended up ballooning into an internet sensation big enough to surprises the both of them.