Piss Off Early Tomorrow's Saturday
POETS day is a term used by workers in the United Kingdom and Australia, to jokingly refer to Friday as the last day of the work week. Also seen as "Punch Out Early Tomorrow's Saturday," "Push Off Early Tomorrow's Saturday," and "Push Off Early Tomorrow's Sunday" (based on the old 6 day work week).
Another usage is in the slang of the United States Navy as abbreviation for "Piss On Electronics, Tomorrow's Saturday". It is used by people in electronics ratings and refers to any day before the start of the weekend as a period without working time to be spent at paid occupational labor.
NetLingo Classification: Acronyms and Text Message