When someone lives their life like people in the past would. Say someone from the 2020s was living the life of someone who lived in the 1950. Using the same technology, clothing and anything else that was used during the specific time they choose. Literally waving themselves into a time that is long gone.
"I live a glamourous 1980s lifestyle, even though I was born in the 2020s, everything I use is authentic 1980s. This is me Timewaving myself into the life of someone who lived in the 1980s"
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)