"Joe Blows" is a colloquial term used to refer to an average, ordinary person or someone who lacks significant authority or influence. There are many synonyms that can be used to replace this slang term, some of which include "average Joe," "regular guy," "commoner," "ordinary fellow," "everyday person," and "common man." These synonyms are useful for creating a more refined and professional tone when discussing individuals who are not necessarily distinguished or prominent. So, instead of using the term "Joe Blows," it is recommended to opt for one of these synonyms that better conveys the intended meaning while avoiding slang expressions.