The phrase "were one's tail" means to follow or obey someone closely, like a loyal or submissive animal. In terms of antonyms, one could use phrases like "take the lead," "go one's own way," or "march to the beat of one's own drum" to express independence and self-determination. Other options include "break the mold," "rebel against authority," and "assert one's autonomy." Essentially, the antonyms for "were one's tail" emphasize individuality, creativity, and a desire to chart one's own course rather than blindly follow someone else.
