2 centiliters is the liquid equivalent of 2/3 of an ounce.
In beer/liquor terms, it means not really contributing anything to the drinking conversation.
We were bantering about our favorite breweries & distilleries to visit, and Chuckleheadnewbie jumped in offering his 2 centiliters praising the shittiest of places.
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)