Again, I'm not entirely sure when this became a thing, but all of a sudden it seemed like the word "edgy" was only ever used sarcastically. I think it was around the time the exact same thing happened to the phrase "hot take".
In any case, "edginess" is essentially a matter of trying too hard to be provocative, which brings us to our next category: entries whose imagined authors are trying too hard in various ways. One of the most popular ways is to stretch for some sort of disconcerting irony