It may have been Brat Summer, but Charli XCX is determined to keep that energy going into the winter months in her new "Saturday Night Live" promo. The Grammy-nominated singer dropped the first teaser for this weekend's episode on Instagram Wednesday — and she pretty much only has one thing to say about it: "Brat.

Still not sure what Charli XCX means by “brat?” If the latest SNL promo is any indication, you’re not alone. With Charli XCX pulling both the hosting and musical guest gigs this week, she presented the perfect opportunity for some still-in-the-dark SNL cast members to do some digging.

The cotton twill jumpsuit was defined by its large cargo pockets, including two giant ones stitched onto the pant legs, as well as two more decorating the top. Her base screamed workwear, but Charli added a few accessories to dress up the look, including a motorcycle belt and a calfskin bag, both from Saint Laurent too.

Collins Dictionary chose 'brat' as its word of the year, but shared nine more words you've probably heard a lot of people using.