noun. A metric truckload of yokel-type behavior.
Real citation: "...midwestern speech would be a sure sign of yokelosity. "
(Hugh Gibbons, http://groups-beta.google.com/group/alt.folklore.urban/msg/4ebf1645c41705ee)
Made-up citation: "For an eastern city, Buffalo has an alarmingly high level of yokelosity and a depressingly low number of places to get Peking duck."