Jayhawkers's a term that originally applied to guerrilla fighters during the American Civil War in Kansas who often clashed with pro-slavery partisans, as well as Missouri militia units. The name was also used by or applied to some Kansas regular troops. It's in reference to the mythical Jayhawk. Today the term's applied to a native born Kansan. Origin The origin of the term "Jayhawker"'s uncertain. Its origin's likely rooted in the historic struggles of Midwestern settlers. The term "Jayhawk"… (More on Jayhawker)