1 definition by Anonome Iyos.
Material that incites a strong nostalgic feeling in its viewers, players, listeners, readers, singers, and so forth.
"That show is nostacore!" "Man, that song is nostacore for me." "I read those stories when I was younger, they're nostacore." "We watched a bunch of nostacore movies last night, they brought back all kinds of memories.
by Anonome Iyos. April 23, 2011