Oxford Dictionary English beat off phrasal verbphrasal verb Add to my wordlistjump to other resultsPhrasal Verbsbeat off Add to my wordlistjump to other results(North American English, taboo, slang) to masturbatebeat somebody/somethingoff Add to my wordlistjump to other resultsto force somebody/something back or away by fighting The attacker was beaten off. She beat off a challenge to her leadership. oxfordlearnersdictionaries.com