filth

Short definition from Wiktionary

Noun

1. 1
   Dirt; foul matter; that which soils or defiles.
2. 2
   Smut; that which sullies or defiles the moral character; corruption; pollution.
3. 3
   A vile or disgusting person.
4. 4
   Weeds growing on pasture land.
5. 5
   The police.
6. 6
   Acronym of failed in London, try Hongkong.