brimstone

Short definition from Wiktionary

Noun

1. 1
   The sulfur of hell; hell, damnation.
2. 2
   Sulfur.
3. 3
   A whore.
4. 4
   Used attributively as an intensifier in exclamations.
5. 5
   The butterfly Gonepteryx rhamni of the Pieridae family.
6. 6
   Online content of exceptionally poor quality, lower than coal.