Handlebar mustaches are a classic style of facial hair that feature long, curved ends that resemble bicycle handlebars. While the term "handlebar mustaches" is most commonly used to describe this style, there are many other synonyms that can be used to refer to this distinctive look. Some options include "curled mustaches," "twirled mustaches," "horseshoe mustaches," or simply "handlebar beards," as the style can also incorporate some chin hair. Whether you prefer the classic vintage look or a more modern take, there are plenty of ways to embrace the handlebar mustache trend with a variety of synonyms at your disposal.