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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
 
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
 
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