I went to a Rob Zombie concert on the same night as a Taylor Swift concert. This reminds me of the train ride home, except the poor Swifties were visibly uncomfortable.
“Christian Girl Autumn” is a years-old, seasonal meme created to lightly mock a certain type of, usually white, woman who is obsessed with all things fall, from knitwear to hot beverages.
Look up "Becky pumpkin spice flannel" and go to images (seriously I did this in DDG). No shade, as I like these things AND somehow managed to find Lemmy gasp, but those search terms will show you what is being referenced.
The kind of girl that wears a flannel shirt and puffy vest with leggings and leather riding boots. It's a good look, but far too common. There are other variations like a wide brim hat with a cardigan and jeans. Just Google Pumpkin Spice Latte girl.