found: Dickson, P. Labels for locals, 2006:Alaska (Alaskan. See also Cheechako and Sourdough, names respectively for newcomers and old-timers in Alaska and northwestern Canada) Cheechako (Newcomer to Alaska or northwestern Canada, especially the Yukon; once a term of outright contempt but recently has become one of good-humored condescension) Sourdough (Special name for an Alaskan or northwestern Canadian especially in the Yukon with lots of years and experience in the area)
found: Am. heritage dict., 1992(Alaska: Alaskan)
found: Merriam-Webster dictionary online, Mar. 7, 2016(cheechako, plural cheechakos: tenderfoot¹ --used chiefly in Alaska)
found: Wiktionary, Mar. 7, 2016(cheechako (plural cheechakos or cheechakoes): someone new to Alaska or the Yukon. Originally a reference to the gold rush newcomers; sourdough (plural sourdoughs): 1. A type of bread dough leavened with yeast and lactobacilli that produce acids giving a sour taste. 2. (slang) An old-timer, especially in Alaska. 3. (Yukon) A permanent resident of the territory. Someone who has lived in the Yukon during all four seasons)
