There are a number of different synonyms for the term "bi-guy," some of which may be more or less familiar depending on the context or community in which they are used. Some of the most common synonyms include "bisexual man," "bi-sexual male," "bisexual dude," and "pansexual male." Other terms that may be used in different contexts or communities include "queer male," "fluid male," "heteroflexible," and "homoflexible." Each of these terms carries its own meaning and connotations, and may be more or less appropriate depending on the individual and the situation in which they are used.