snjókúla
Snjókúla is an Icelandic term that translates literally to "snowball." It is most commonly used to refer to a natural phenomenon of snow rolling upon itself, typically on a hillside or in windy conditions, forming a spherical or cylindrical mass of snow. These formations can range in size from a few centimeters to over a meter in diameter. The process requires specific snow conditions, generally a layer of sticky, wet snow on top of a slippery base, combined with wind or gravity to initiate the rolling motion.
In a broader sense, "snjókúla" can also be used metaphorically to describe something that grows larger and