The phrase "beats off" may have several synonyms based on its context. In a sexual context, some alternatives include masturbate, jack off, and jerk off. Meanwhile, in sports or competition context, some synonyms might include outperforms, surpasses, or defeats. In a colloquial or casual talk, the phrase "beats off" may be substituted with overcome or conquer, as in acing an exam or finishing a difficult task. Nonetheless, it is essential to use the synonym appropriately to avoid confusion or misunderstandings. Synonyms can enhance one's language skills and help articulate a message effectively.