age out
v. phr.— «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
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Jackie in Wausau, Wisconsin, says her family used an odd word whenever someone took a sip and choked. She’s not seen it in print, but suspects it’d be spelled something like furschluk. The family’s word is likely adapted from German verschlucken...