There's !justpost@lemmy.world, but there's another one that gets downvoted all the time where it's just one person saying violent stuff about their day in a community they moderate. Dude built the perfect rage room, and I can't remember what it's called.
Just DM someone with an A and you are good
Some instances like Hexbear.net have general megathreads where people rant under spoiler tags like this:
What's on your mind?
Here is probably good.
Yeah, because no one reads the goddamn community rules never mind follows them, making !asklemmy@lemmy.ml a free-for-all.
I'm the mod. It's partially my fault since I've never really done anything to promote it. I'd love for others to join the mod team if they have more experience with this stuff.
!offmychest@lemmy.ml