The phrase "obvious distortion" refers to a clear and noticeable alteration or manipulation of something. It suggests that the change or modification made to something is so significant that it becomes unrecognizable or misrepresented in its original form. The term can be used to describe a wide range of situations, from altered images or documents to twisted interpretations of facts. In essence, the phrase conveys a sense of dishonesty or deceit in the way something has been presented.