Demo-Core 

The "genre" of a band that sounds better on their Demos rather than over produced in a hollywood studio.

Ex of bands: Linkin Park, Motionless in White, Escape the Fate, My Chemical Romance

God, Motionless in White is really demo-core now, they're new album just doesn't cut it! Same with Linkin Park!

Demo-Core by IndieEmo-lahl? November 7, 2010

Benriz Core 

A genre of heavy metal, combining elements of thrash music, sweedish guitar tones and a specific pitch and vocal range.

Defined by its tone, contained rage and direction of lyrical content

1- He put together a play list, it contained much musical falling into the benriz core genre

2 - That band were wonderful, how very benrizcore

3 - the sound is both black, grimm and benrizcore

Benriz Core by Eddington August 20, 2013

The Core Four 

Many ask "What is the Core Four?" The core four is the name given to the four best friends who are practically gods in the world and they set their differences aside in order to succeed, they will never hold anything against one another...Ever.
They also play GTA V in the mean time. "Core Four Or Die"

The Core Four are the definition of Gods

The Core Four by Corefour June 15, 2014

Ocean-core 

Ocean-core is a type of music. Much like Metal-core exept the lyrics are about oceans, rain and water in general.

That Ocean-core band's lyrics are amazing.

Ocean-core by Warriorimba December 29, 2016

sore core loser 

The same as sore loser

Just because you lost, doesn't mean you get to stay mad, you sore core loser

sore core loser by PureWTF June 15, 2017

hard core loser 

No matter what he does, he just fucks everything up if he is around you. Keeps acting like a fuckwit near you when you are trying to get into the pants of some girl, spoiling the hunting for the night. Typically needs you to pull him out of a situation he created, where he was about to get the fuck punched out of him by those blokes at the pool table after he stood near them telling them how to play.

Mick thought he was on a winner for a fuck in the car park outside with Jacinta, when Deano rocked up and spilled his beer in her handbag, making her lose her shit so much she got her fat friend and left the club. Mick wanted to flog Deano, but then saw him trying to dry hump some bloke at the pool table, which was gunna turn fatal for Deano any second now. So Mick dragged his stupid cunt mate away from danger and said "mate, stop being such a hard core loser or you can fuckin walk back to Frankston".

hard core loser by Reynard says July 21, 2017

Hard core 

live dangerously- but be careful doing it.
Its a nuanced term for safe and dangerous folk.

Childish Gambino wants to live hard core so he gets his sick sucked in the movies.

But in some parts of his life, he is careful. He wants to keep his job, so he will not curse out his boss.

Hard core by Malia Obama from NOLA February 22, 2018