blue Monday n.
1. a Monday taken off work and dedicated to self-indulgence [blue adj.2 (1)].
 | Yankee Volunteer’s Songster 51: Uncle Sam, the son of Johnny Bull, the boss, / On Blue-Monday took a spree, sirs [DA]. | |
![[US]](/static/img/flags/us.png "United States") | Harper’s Mag. 873/1: The workman getting sober after his usual blue Monday [F&H]. | |
| Dly Teleg. (Monroe, LA) 30 Dec. 4/2: Blue Monday. It used to be a custom in many countries for the journeyman and laborer to consider every Monday a day set apart for idleness. | |
| Eagle (Silver City, NM) 22 jan. 7/1: He overlooked the fact that the meeting of tghe bureau was called on the 13th of the month and on blue Monday at that. | |
| Day Book (Chicago) 25 Sept. 24/2: No wonder the saloon and the church go hand in hand. No wonder we have blue Monday and everybody drunk on Monday after listening to sermons on hell [...] on Sunday. |
2. a start-of-the-week feeling of depression that follows a weekend of pleasurable excess [blue adj.1 (1)].
| Camden Chron. (TN) 4 Mar. 6/4: More women commit suicide on Monday than on any other day [...] ‘Blue Monday’, as it has long been called, is one of the most trying days [...] because it is a ‘wash day’. | |
| Eve. Public Ledger (Philadelphia, PA) 16 June 16/5: Oh, dear! Another monday — Blue Monday! | |
| ‘Seven Day Blues’ 🎵 Why do they call it blue Monday when every day is just as blue? | |
| Texas by the Tail (1994) 125: Blue Monday – a hard morning after a hard weekend. It figured. |