e-day
n.— «She is looking into the possibility of offering an extra Friday program. Coined an E-Day (extra, enhancement or experiment), the course would be offered the Friday that kindergarten students do not have class. Although still in its infancy, Arnebeck envisioned the program as a class of 24 students engaging in hands-on activities.» —“Hibbing School cuts made” by Kelly Grinsteinner Daily Tribune (Hibbing, Minn.) Apr. 14, 2005. (source: Double-Tongued Dictionary)
Further reading
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...