"Whew! The workweek's almost over!"

• Workweek's end initials
• Exclamation from a weary employee
• Start-of-the-weekend letters
• Office cry
• Cry of relief that the workweek is almost done: Abbr
• Weekend-lover's cry
• Workweek-ending abbr
• Work week whoop
• "Tomorrow's Saturday!"

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also T.G.I.F. , by 1946, slang abbreviation of "Thank God (or "goodness"), it's Friday" (end of the work week).