hair spoil
n.— «A botched haircut he received at age 15 led him into the field of barbering. “I got a ‘hair spoil’—as they call it—and I went home and corrected the trim with a razor I had at home.”» —“Men’s Grooming—Avery’s Beauty Concept Ltd—Men need grooming too” by Shelly-Ann Thompson Jamaica Gleaner (Kingston) Nov. 27, 2006. (source: Double-Tongued Dictionary)
Further reading
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...
To describe something tiny or insignificant compared with something vast, you might reach for phrases like a drop in the ocean or a drop in the bucket. In Mandarin, there’s an equally picturesque phrase that translates as nine cows, one hair, 九 牛 一...