Geophagy, the practice of consuming earth or soil, has been a common behavior observed in many animal species, including humans. It is often associated with cultural practices and medicinal or nutritional benefits. However, geophagy has many synonyms, including dirt-eating, earth-eating, soil-consumption, clay-eating, and mud-eating. Other regional or language-specific synonyms include tannoor, coli, and litargirio. While geophagy is generally perceived as a harmless behavior, excessive consumption of earth or soil can lead to health issues such as toxin exposure or nutrient deficiency. Understanding the various synonyms for geophagy can help in communication and research on this intriguing behavior.