Piss up a rope; put a rope to the eye of a needle; reach the end of (one's) rope; rope (one) into (doing) (something) rope down; rope in; rope in Go to rope into; rope into; rope into doing; rope of sand; rope off; rope or an animal up; rope someone in; rope together; rope up; rope-a-dope; ropes; show (one) the ropes; show somebody/learn/know. To tell someone to go piss up a rope means to tell someone to go ahead with their current course of action, but expect a negative result. My preferred variation of this phrase is "piss up a tree." Another variation of this phrase is "piss up a flagpole." Consider this: What would actually happen if you pissed up a tree?.