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A word used to describe a form any martial art or other self defence system which may look flashy or effective, but misses out core self defence skills or otherwise ineffectively prepares students for a live situation. A more expletive version of the word 'bullshido' The 'su' prefix comes in reference to the ending of the word jujitsu, making the inference that 'bullshitsu' is a system that can be studied at poor quality dojos.
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