1 definition by Mich11

Top Definition
A quick, unexpected forward action of the foot which makes contact with the upper part of another person's body. It is defined by flexibility, agility, spontaneity, force and effect of impact.
Did you see the fight between Jimmy and Alice?

Yeah man. Fuck. She Ninja-Kicked him in the face.
There was blood everywhere.
by Mich11 February 06, 2009

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