oldcore 

1) Something generally regarded as hardcore, except having fallen into obsolesence, or dispopularity.

2) As a replacement of hardcore when the subject is old.

1) I only listen to oldcore Metal. The new stuff sucks.

2) My grandmother is oldcore.

oldcore by inmate2993 March 5, 2005

oldcore 

referring to something of a style back in the day (1) , referring to porn with old people (2)

Tom: Dude, the other day I was listening to Conway Twitty, brought back memories.

Bill: That's some oldcore shit!

Tom: Word.

oldcore by lolthatisgreat July 13, 2011

Olicore 

An aesthetic based around Oli (TheOrionSound), a popular minecraft youtuber known for his yearly uploads.

"Omg did you see that panda hat in the shop?"
"Yes!! It's so Olicore!"

Olicore by isiethelioness November 20, 2021