Originally dating back to the Vietnam War. When one's rotation date (leave the country) was near, one lost focus on still being a soldier, and became a liability instead of an asset. Also, the period of time at the end of the 12th grade, when one has already been accepted into a college or the military, and is just waiting for the Senior Prom and Graduation ceremonies.
by Guido1 March 10, 2010
Can you define these popular missing words?