nostalgiacore

a segment of aging rock music that elicits longing or affection for the past, typically performed by an artist that has continued making music but is most associated with the era of their early or hit songs

Green Day's totally nostalgiacore now because I can only listen to their old stuff. Dookie makes me miss the '90s.

nostalgiacore by mediapixel December 3, 2020

iStone nostalgiacore 

The act of being very nostalgic for the iStone, one of the most innovative devices for the caveman.

"Yeah man, I remember back when I listened to that mammoth song on my iStone. So nostalgic. This is some good ol iStone nostalgiacore."

iStone nostalgiacore by ComputerWorld February 4, 2024

Nostalgiacide 

The childhood-crushing feeling you get when you realize how bad the shows you loved as a kid really are.

"I just watched Dinosaucers for the first time in years. I loved that show as I kid, but I couldn't even finish the episode it was such crap. Complete nostalgiacide. My childhood is ruined.

Nostalgiacide by Garignak December 13, 2014