Okay, before you get super stressed reading that headline, don't worry: cluttercore is not as chaotic as it sounds.
Like cottagecore that came before it (that's the aesthetic of a peaceful, pastel-colored life in a charming cottage), cluttercore is a very specific type of style.
Let's explore what it looks like, and I'll do my best to explain this Gen Z/Millennial definition of a very, very full life.