rainbowification can also be spelt as rainboification and can mean to go from dark to light or vice versa or in science/everyday activities for a substance to diffuse in a nice pretty pattern of colours. English based (inventors of the sandwich).
the chlorine oxide mixed with the bromine solution rainbowified the tube. The room was rainbowified when the curtains were opened.
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)