Round the bend/twist Definition 1 of 3Pro Tip 1/3Idiomatic Expression Used for hyperbolic effect, not implying actual insanity. This noise is making me go round the bend! Pro Tip 2/3Express Frustration Conveys a high level of annoyance or frustration. All this traffic will drive me round the bend! Pro Tip 3/3Emotional Intensity Implies an emotional response, not to be taken literally. Studying for exams is sending me round the bend.