Turn your back on somebody/something Definition 1 of 3Pro Tip 1/3Emotional Impact This phrase often conveys a strong sense of betrayal or disappointment. I never expected my own brother to turn his back on me. Pro Tip 2/3Negative Context It's often used in a negative way to show disapproval or hurt. Can you believe she turned her back on her best friend? Pro Tip 3/3Figurative Use Remember, it's usually not literal; it's about neglecting or not helping. By ignoring the cries for help, he turned his back on humanity.