What does the acronym kkk stand for?

the most popular answer is klu klux klan.. but thats not the answer i am looking for.. they were mainly against 3 groups.. kkk... the 1st K was koon (a name for blacks) .. the next K was kites ( a name for jews).. i cant remember if the 3rd K was for "Christians"... does anyone know what the 3rd K was for.. please no more stupid answers ... like kool kolored kids