Top Definition
An american Ninja.
a)A retired ninja it is a well known fact that all ninja's retire to america.
b)A fat ninja, normally too lazy to do normal ninja activities, eg ninja rape.
Alex: you retired! get away from me you evil americ-inja
Joel: i would get away from you, but i'm retired, so all i can do is watch opera and walk around moaning about the taxes.
by jacbob May 23, 2007
4 Words related to Americ-inja

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