We are here to inform you that old-time Christmas cards were horrifically, awfully weird. Just like everything else about the past, it doesn't make sense to us intelligent beings living in the present. Twitter user @RabbitThoughts created a wonderful thread detailing these weird Christmas cards, which they say came about when postage stamps grew cheap in the 1800s. From frogs and bugs dancing together, a horrifying depiction of Krampus, and people with chicken heads going sledding in the snow,…