Yup, was a bot spamming out communities and gibberish posts. It's been purged. There's 1 determined asshole that keeps making new emails to get a user onto the instance to spam.

Our admin has temporarily disabled community creation and rate-limited posts to try and slow this down a bit until he finds a more permanent solution.

I saw the "unpanoplied nonperceiving colonizer" in the wild!

I thought it was just Leftist meme speak that I couldn't understand. I was very confused. Makes sense they're just a bot.