What is metal as hell?

"Metal as Hell" is not a widely recognized phrase or title, so it's possible that it could refer to a variety of things depending on the context. Here are a few possibilities:

  1. Music: The phrase "metal as hell" could be used colloquially to describe music or a band that is extremely metal in terms of sound, style, or attitude. This could include heavy metal or any of its subgenres like thrash, death, or black metal.

  2. Cultural Reference: It might be used to describe something that embodies the intense, rebellious, and often dark aesthetic associated with metal culture.

  3. Events or Merchandise: It could be the name of a concert, album, song, or merchandise related to metal music.

If you have a specific context or instance in which you've heard "Metal as Hell," I could provide a more targeted response.