The phrase "Old Man Winter" is a metaphorical term used to describe the season of winter. It refers to the cold, harsh weather that comes with the arrival of December and lasts until March or April in many regions around the world. The phrase has been used for centuries as a way to personify the season of winter, giving it human-like qualities such as age and strength. In literature, art, and poetry, Old Man Winter is often depicted as an old, bearded man with a long white beard who brings snow, ice, and freezing temperatures wherever he goes. The phrase has become so ingrained in popular culture that it is now used to describe any particularly cold or harsh winter season.