A trend first noted in Australian girls and Australian backpackers around the world where by the hair is curled into a "scruffy bun" and perched on the very top of the head so it can be seen from all angles. Its main purpose is thought to be to keep their hair out of their face and off their neck.
"Wow, that girl is sporting a cracking Aussie Nobhead today! Must be really keeping her hair out of the way!"
"Hmm. That girl's got a massive Nobhead"