What you sarcastically quip back at someone who is bemoaning da fact dat he wasted ten minutes of his life doing something dat turned out to be useless.
Dude #1 (having just super-briefly talked to customer-service after waiting an absurdly long time to get connected): Man, what an insufferable delay just being stuck on hold --- THAT'S ten minutes of my life that I'll never get back!
Dude #2: ...aaaand that's ANOTHER ten SECONDS that you'll never get back from COMPLAINING about it!
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. Penguin Books,1992. p. 38)