The act of nostalgurbation. To masturbate with the aid of forgotten favorite porn and/or fantasies from ones youth.
"I was cleaning out my old hard drive and found some old vids of Jenna Jameson. It brought back so many fond memories I couldn't help but sit down and nostalgurbate to those oldies."
Imagining what your current stage of life would have been like in the time periods you spent your earlychildhood years in.
I experienced nostalgimagia while taking my notes on my tablet, when I started imagining what it would have been like back in the late 90's, when people used to write everything down on a piece of paper and teachers used to write with chalk.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.