five and fly
n.— «As West Point’s academic reputation has improved, more and more graduates are serving their mandatory five years, then leaving the army: five-and-fly, as it’s known. In essence, the government is spending incredible sums of money to train intelligent and capable soldiers through this four-year university program, but increasingly the return is only five years of service.» —“After Four Years at West Point, David Lipsky Still Wants More” by David Weich Powells Aug. 6, 2003. (source: Double-Tongued Dictionary)
Further reading
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...