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1.
Noun used to refer to nationals of non-japanese origin that flee Japan as a result of a major national disaster, leaving the country based solely on reasons of personal interest and self concern, such as individual's discomfort, minor inconveniences or to avoid having to perform their expected social responsibility role for the aid of their hosting community. The term appears after concurrent tragedies of a major earthquake in Japan on March 11th 2011, and its subsequent tsunami, both causing loss of human lives and severe damage to infrastructure and nuclear powerhouse facilities. It stems form the combination of two words: "gaikokujin" (japanese word for "foreigner") and the english word "fly".
Jane just left Tokyo and went back to her country because she couldn't find any toilet paper at the convenience store. Could you believe that? She is such a flyjin!
by embarrasedgaikokujin March 25, 2011
 
2.
A play on the word 'gaijin', referring to a foreigner living in Japan who fled abroad in panic post-earthquake/tsunami in fear of dwindling toilet paper supplies and trace amounts of radiation.
Yeah he's such a flyjin
by MKSND April 04, 2011
 
3.
A derogatory term for a foreigner living in Japan who flew out of the country after the 2011 Tohoku Earthquake because of fear of radiation from the nuclear plant disaster. A combination of "fly away" and "gaijin".
At least I am not one of the cowardly flyjin who wet their pants and fled home to mommy at the first sign of trouble.
by cheeseman5 March 31, 2011