A literal IV drip filled with caffeine. Apparently, a caffeine drip is not a joke.
I myself can't quit caffeine. I was in withdrawal so badly during surgery that I could not hold down even water as much. They literally had to hook me up to a caffeine drip. The drip rate was two hours instead of one hour because the nurse did not want to blow out my vein.
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)