"Zhuzh" is a colloquial term that refers to the act of sprucing up or jazzing up something to make it more appealing or attractive. Some common synonyms for this term include "spice up," "jazz up," "improve," "revamp," "enhance," "beautify," "embellish," "polish," "refine," "decor" and "makeover." These words can be used interchangeably with "zhuzh" and can add some flair and energy to one's speech or writing. Whether it's your outfit, your home decor, or your personal brand, there's no harm in zhuzhing things up every now and then!