The great dust heap of London at Battle Bridge in 1836, next to the Smallpox HospitalDirty Dicks is a Bishopsgate pub named after Dirty Dick, who once owned it and was notoriously filthy.Dirt-covered sidewalk in Brooklyn, NYC being swept during a community clean-up
Dirt is any matter considered unclean, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty.
Common types of dirt include:
Soil: the mix of clay, sand, and humus which lies on top of bedrock. The term 'soil' may be used to refer to unwanted substances or dirt that are deposited onto surfaces such as clothing.[1]