Take a running jump in the lake!
take a running jump in a/the lake
To go away and leave one alone because what is being done or said is very irritating. Often used as an imperative. 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 running jump in the lake?" Go take a running jump in a lake, Dan. I don't need your sarcasm.
Take a running jump (in the lake)!
exclam. Go away!; Get away from me! You can just take a running jump in the lake, you creep!