rook-out
v.— «Amy Weldon is what’s called a rook-out, a first-year rookie who’s aging out of the corps. She says her first—and last year—has offered her memories that will last a lifetime.» —“Drum Corps Groups March Out of Madison After Championships” by Dana Brueck WMTV-TV (Madison, Wisconsin) Aug. 12, 2006. (source: Double-Tongued Dictionary)
Further reading
Among biologists, a frog’s croak is known as an advertisement call. It’s a male frog’s way of making himself known. A Wisconsin listener says children in her area learn that this sound is jugarum, jugarum. Poet and editor Willard Espy punningly...
Outer space, used with its modern meaning, appears as early as the 1840s in a poem by Emmeline Stuart-Wortley. Soon after, Alexander von Humboldt was using variations on it in his writings about the cosmos. By 1901, H.G. Wells was using outer space...