redshirt
v.— «Parents who “redshirt” their 5-year-olds instead of enrolling them in kindergarten are a concern to some Nebraska educators who are trying to reverse the trend of holding children back until age 6 to start school.» —“Guidelines Developed Some Educators Oppose ‘Redshirting’ 5-Year-Olds” Omaha World-Herald Mar. 1, 1985. (source: Double-Tongued Dictionary)
Further reading
Kerry from Omaha, Nebraska, wonders why smack dab means “precisely in the middle.” Long used in Appalachia and the American South to make a term more emphatic, smack also appears in such phrases as right smack now and smack jam and smack...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...