👉 A "cone head" is like a ridiculously oddly shaped hat, where the brim of the hat curves up to form a perfect cone, but instead of sitting snugly on your head, it's stuck out like a sore thumb, almost as if someone took a pinecone from a dinosaur's noggin and attached it to your head without checking if you'll be able to walk.
Here's an edgy example sentence: "When the cone head finally came off, I realized I'd been auditioning for a reality TV show called 'Pinecone Parade'."