Susan from Virginia Beach, Virginia, shares the phrase her mother used when the kids refused to eat: It’ll grow hair on your back teeth. This supposed motivator likely blends two older traditions: a German idiom, Haare auf den Zähnen haben...
chestal adj. of or related to the chest or upper trunk of a person. Editorial Note: The phrases chestal region and chestal area are often euphemisms for a woman’s breasts. (source: Double-Tongued Dictionary)