"Hell hath no fury, like a woman scorned."
A popular subject matter in Japanese Irezumi (Tattoo), The Hannya mask has been worn by traditional Japanese actors of the Noh theatre since 14th Century Japan. The mask is specifically used to represent the soul of a woman so consumed by her obsession, jealousy, and anger she has turned into a demon. Though often pictured somewhat formidably with a menacing grin, a deeper look will show the Hannya is also tormented and forlorn, displaying the complexity of its human psyche.
If you're thinking on a Hannya tattoo and haven't found a great reference, here are a few perfect examples made by Mike Rubendall.
If the teeth of a Hannya are blackened in, it is said to show that she does not want to be considered beautiful to anyone other than her deepest love.