pickturn tail . turn tail {v. phr.}, {informal} To run away from trouble or danger. When the bully saw my big brother, he turned tail and ran. Categories: add yours informal verb Source: A Dictionary of American Idioms 'turn tail' on video Young Knives 'Turn Tail' Young Knives - Turn Tail Young Knives: Turn Tail Turn Tail sort: relevance, mode: exact match, q: "turn tail", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Post my comment