Tradition: Polish Mythology
Alternative Names: Kocmołuch
Category: Goblin
The Myth
The Kocmeuch, also known by the nickname Kocmołuch, meaning “dirty” or “slovenly,” is a malevolent household demon in the traditional beliefs of the Lasowiaks, an ethnographic group in southeastern Poland. It is feared for stealing milk from cows, secretly entering stables and depriving households of an important source of nourishment. Its presence is associated with a gradual decline in milk production, with each milking yielding less than the one before.
The Kocmeuch is described as a small, deformed, naked man with an unusual and grotesque appearance. It has a large, egg-shaped head perched on a thin neck, large drooping ears, slanted eyes, a strongly bulging belly, a protruding navel, and equally prominent buttocks. Its arms and legs are thin, ending in sharp claws resembling those of a bird. Despite its strange appearance, the demon is dangerous to the livelihood of the household it inhabits.
During the day, the Kocmeuch hides beneath the threshold of a stable, remaining concealed from the people who care for the animals. At night, it moves about invisibly and creeps toward a cow’s udder to steal its milk. According to folk belief, this unnatural milking could cause cows to become barren. The gradual reduction in milk yield was therefore regarded as a possible sign that the demon had settled in the stable.
The traditional means of protecting livestock from the Kocmeuch involved the use of blessed objects. These sacred items were believed to frighten the demon away and drive it out of the stable, restoring protection to the household and its animals.
Sources
“Kocmeuch.” Wikipedia, wolna encyklopedia. Wikimedia Foundation. Accessed October 17, 2026. https://pl.wikipedia.org/wiki/Kocmeuch