"Fancy Dan" is a term often used to describe someone who is ostentatious or showy in their behavior or appearance. There are many synonyms for this term, including "dandy," "fop," "flamboyant," and "exaggerated." Other possible synonyms might include "flashy," "pretentious," "over-the-top," or "extravagant." Each of these words conveys a sense of showiness or attention-seeking behavior. At the same time, however, these terms can also be used in a more positive sense to describe someone who is stylish or fashionable. Ultimately, the choice of synonym will depend on the context in which the term is used and the intended tone of the sentence.