Milfestation means manifesting becoming a "milf" in the future (Milf: Mother I'd Like to Fuck, or an attractive older woman). From the word Manifesting or "to manifest". A young person could Milfest that they will be an attractive mom.
Popularised by the account @fijiwater on Instagram, who is using the technique of Milfestation
My bestie is so pretty I'm milfesting for her.
Man I'm so hot, this will be my number one Milfestation.
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)