What is the meaning of Skid_mark?

A black mark left on a road surface from the sliding or skidding tires of a motor vehicle that has lost traction.

Any other mark or stain left on a surface from a sliding or rubbing object.

A visible feces stain left on underpants, trousers, or sometimes the toilet bowl.

A mark of a soiled finger wiped on a surface.

Any burn on the skin caused by scraping the skin against a surface.

Source: wiktionary.org