Hornbunny Com 2021 Link

In South Park, there's a character named Mr. Hankey, the Christmas Poop, and another episode involving a horned creature, but "Horny Bunnies" isn't a direct reference I recall. Maybe it's a user-created character or an Easter egg. Alternatively, "Horny Bunny" might be a username or a fan-made story. Since the user mentioned "2021", perhaps they're referring to a story event or a meme from that year.