A saying meaning "it's a wasted effort" or "all is lost".
Possibly a reference to King John of England who lost his Crown Jewels and everything in his baggage train while attempting to take a shortcut across the Wash, which is an estuary in northeast England that floods. His baggage train was partway across it when the tide came in and lives and treasure were lost.
After waiting hours for their favorite celebrity to emerge from the backstage door, the girls gave up. "It's a wash; he's already gone out some other way."
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)