Top definition
To have a conversation with someone about the "good old days".
I had a nostalgiathon with my long time friend after finding them on Facebook.
by mmoniot January 26, 2011
Get the merch
Get the Nostalgiathon neck gaiter and mug.
Aug 3 Word of the Day
Condition which causes you to place an Amazon order, then shortly after remember something else you needed and place another order.
Wow, 10 Amazon boxes showed up on my door today. My Amazheimer's must be acting up again.

Person 1: Bro, your Amazheimer's is getting out of control.
Person 2: It's OK, I have Prime.
by SamboMayhem August 01, 2020
Get the merch
Get the Amazheimer's neck gaiter and mug.