Complex sentence: Felony Flats is a common pejorative nickname for neighborhoods in various American cities, usually referring to a "bad" part of town where an unusually high number of formerly convicted felons might reside.
Split into simpler sentences: Felony Flats is a common pejorative nickname for neighborhoods in various American cities, usually referring to a "bad" part of town. The name comes from areas where an unusually high number of formerly convicted felons might reside.