rule of 90
n.— «Many boomers are approaching what’s called the “rule of 90″—the sum of age and years of employment required to qualify for a full pension under the Minnesota Public Employees Retirement Association system.» —“Retiring boomers will leave cities big shoes to fill” by Mary Divine Pioneer Press (St. Paul, Minn.) Apr. 2, 2006. (source: Double-Tongued Dictionary)
Further reading
There was a time when William Shakespeare was just another little seven-year-old in school. Classes in his day were demanding — and all in Latin. A new book argues that this rigorous curriculum actually nurtured the creativity that later flourished...
Following our conversation about the secret cup code of the old Harvey House restaurant chain, a listener in Minneapolis, Minnesota, shares a far more complicated and efficient restaurant code, the elaborate plate marking system used at Waffle House...