When entering a date earlier than 1970 results in an error or crash. Coined by xkcd.
"I can't enter any of my Silver Age comics into this database. Epoch fail!"
by jgpallack January 28, 2008
Like epic fail, but specifically referring to computers being to stupid to figure out the date after a certain point. A more generic term for y2k.
Weird - my code's crashing when given pre-1970 dates.
by epoch fail August 12, 2008