"Hooray for the weekend!"

• Preweekend "prayer"
• Workweek-ending cry
• Shout at the end of a workweek
• Weekend-starting cry
• Letters that come at the end of the week
• End-of-workweek cry
• Weekly shout for some
• "Can't wait to go home!"
• Abbr. for Dec. 23, 1988

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).