The phrase "art one's tail" is an idiomatic expression which means to run away or flee from a situation. This phrase can be used in various contexts, such as escaping from danger, avoiding confrontation or simply avoiding a tedious task. There are several synonyms for this phrase, such as "beat a hasty retreat," "make a run for it," "take to one's heels," "skedaddle," "bolt," "scram," "cut and run," "flee," "escape," and "fly." All these synonyms convey the same meaning of quickly escaping from a situation. It is interesting to note that these synonyms may be used interchangeably, depending on the context of the situation.
