Definitions by Simplicity at its finest
Amaninja
Not to be confused with "A man Ninja." Amaninja is a nickname used to refer to a girl who sneaks up on someone while they are quote "in the zone."
I was at work today working on the computer and Amaninja snuck up behind me and scared the living bajesus out of me
Amaninja by Simplicity at its finest January 9, 2013