hairbag
n.— «Mr. Bacon employs some well-worn police lingo in relating his experiences, which he started logging in a computer on nights off from work. He describes turning into a “hairbag,” a term for a very experienced officer that is so old there is little agreement on its precise meaning or origin.» —“What He Learned as a New York Officer: He Was a Bad Fit” by Al Baker New York Times Mar. 19, 2009. (source: Double-Tongued Dictionary)
Further reading
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