Definitions:
the most active, committed, or strict members of a group or movement

pornography of a very explicit or extreme kind.

popular music that is experimental in nature and typically characterized by high volume and aggressive presentation.

broken bricks, rubble, or similar solid material used as a filling or foundation in building.

highly committed in one's support for or dedication to something

denoting or relating to pornography of a very explicit or extreme kind

denoting or relating to a type of experimental popular music that is typically characterized by high volume and aggressive presentation