Working for the weekend letters

• Nine-to-fiver's exclamation of relief
• Weekly cry of relief
• Worker's weekly exclamation
• "I don't have to wake up early tomorrow!"
• Preweekend cry
• Letters uttered with relief
• Wk. ending incantation
• Shout after a stressful week
• Nine-to-fivers' favorite letters

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).