Kelly day
n.— «Elimination of “Kelly days” for police officers. These are extra days off when the officers change shifts. Two years ago, Kelly days were eliminated for senior officers on desk jobs who were not changing shifts.» —“Clifton Asking N.J. To Allow Delay On Budget” by Lindy Washburn in Passaic-Morris The Record (New Jersey) March 13, 1985. (source: Double-Tongued Dictionary)
Further reading
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