take a long walk on a short pier
take a long walk on a short pier
To go away and leave one alone because what is being done or said is very irritating. Often used as an imperative. (A less common variant on the phrase "take a walk off a short pier.") A: "The experiment might work better if you actually knew what you were supposed to be mixing together." B: "You know what, Jenny? Why don't you take a long walk on a short pier?"