"Every man jack" is a phrase that means "each and every one" or "every person." Synonyms for this phrase can include "everyone," "all and sundry," "each and every soul," "every last one," and "the whole kit and caboodle." These phrases convey the idea of everyone being included or considered in a particular situation or scenario. Other related phrases include "across the board," "universally," "collectively," and "in general." These synonyms can be helpful when trying to emphasize the importance of including everyone or when making a point about universality or completeness.