Wikipedia:Desist

WP:Desist can be cited whenever there is a dispute on Wikipedia and you want to put an end to it. While it doesn't have the same bang for the buck as "Fuck off", it can still be cited as a shorthand (and more polite) way of just telling troublesome editors to drop it and let it go. WP:Desist will mean the following (in the words of Jimbo):

If an editor wants to immediately end a silly dispute and essentially show a troublesome editor the door (without uttering an expletive and having to spend days or even weeks answering to people moaning about incivility), you can simply say: "Please desist . We're done here."