- hairpin (n.)
[hairpin 词源字典]
- also hair-pin, 1788 (two words), from hair + pin (n.). A hairpin turn, etc., is from 1906. Hairpin (or clothespin) was American English slang for "person" c. 1880-1910, especially in the expression "That's the kind of hairpin I am."[hairpin etymology, hairpin origin, 英语词源]