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2.
Cheechako actually means "tenderfoot" - it is used to refer to anyone new to Alaska (anyone who has lived there for less than 25 years).
I don't need some cheechako politician from the Lower 48 telling me what to do.
by pg191 September 16, 2013
 
1.
A new-comer to Alaska, ignorant of the terrain, the weather, the animals, the culture, the necessary driving skills in the winter, etc. Opposite of a sourdough.
-Did you see the 90-car pile-up on the Glenn Highway this morning on your way to work?
--Yeah, and how much you wanna bet that it was all caused by some goddamn Cheechako at the front of the pack?
by SS January 22, 2004
 
3.
A man who has sexual relations with another man
Mkay called gray hare a cheechako, therefore he must be gay.
by The Alex Supertramp March 12, 2008