Explosion!
Well, that is the first impression I get from this piece - I couldn't really identify that much from the picture, so I grabbed what I could and ran with it. It seems to be a person whose lower torso has literally exploded in a shower of black and white sparks.
Right, symbolism and so forth aside, I think that there is more to this. Thanks for confirming my suspicions with acrylic on canvas. The one thing I would suggest for improvement is the direction of your brush strokes. Perhaps take them along the lines of the black and white, to give an impression of movement, without really doing anything different or radically altering the image.
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