"Cut along" is a phrasal verb that means to depart hastily or to leave abruptly. There are several synonyms that can be used to replace this expression, depending on the context and intention. Some examples include "dash off," "make a quick exit," "take off," "skedaddle," "scram," "beat a hasty retreat," "hit the road," "get going," "make tracks," and "run for it." All of these phrases convey the sense of urgency and the need to depart quickly, whether it's because of an emergency, a sudden change of plans, or a desire to avoid a confrontation or an awkward situation.