Self-serving slant is a term used to describe a biased perspective or opinion. It is often used to describe the way in which someone presents information in order to benefit themselves or their own interests. The term can also be used to describe a particular point of view that is not necessarily based on facts or evidence. In this context, the crossword solution 'SPIN' is an appropriate term to describe self-serving slant, as it implies a manipulation of facts or information in order to present a certain point of view.