phrase used to define yo character/personality as satisfied with the world and not constrained by anything.
The "sunny side up" refers to gettting your luxury the way one desires it, and "diapers down" explains that as an infant, not even diapers could hold you tight.
I always make sure i get my sunny side up while diapers down. I get it my way, no matter what anyone says otherwise.
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)