Adj.
A really good song from the past, that you didn’t even realize that you missed, until it came back on randomly.
May also be used to address a song that may have been long forgotten by a friend.
Mum-orabilia...This is when a mother obsesses over some useless old tat that belonged to her child.
Son: wow that old t-shirt needs to go in the bin Mom: no I loved when you were little and wore that, you were such a good boyback then Dad: oh for fuk sake Irene more crap for the MUMORABILIA pile
Museum curator: German officials offered me some of Adolf Hitler's personalbelongings, but I told them that I'd rather not have any memorabelial on display in my museum.