"Leg it" is a commonly used phrase to describe running or fleeing hastily. There are several synonyms that can be used interchangeably with this phrase, such as sprint, dash, bolt, race, scamper, hasten, and run for one's life. Each of these words carries a slightly different connotation, but they all convey a sense of urgency or necessity to move quickly. Other similar phrases include "take flight," "make a break for it," and "beat a hasty retreat." Whether you're trying to escape danger, catch a bus, or simply get some exercise, there are many ways to describe the act of moving swiftly on foot.