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

noun. Any other mark or stain caused by one surface skidding along another.

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

"Bozo The Neoclown says: methinks Bothwrong went to a government subsidized state college, most likely on a student loan. that’s why the skidmark is avoiding the question."