Bittiecore 

Any band thats main fan base is made up of bitties.

wow this show if full of bitties , must be a bittiecore band.

Bittiecore by Bittiehater September 2, 2009

Brittlecore 

British screamo, like Bring Me the Horizon.

Hey, did you guys see the brittlecore concert yesterday?

I know, those guys killed it with the screamo version of "London Bridge"

Brittlecore by ayobrixtonboy22498 March 3, 2011