Board Thread:Support Requests - Getting Technical/@comment-11291792-20150208132901/@comment-2170536-20150209184234

All users for all wikis would not be possible. You can put it in User:Spydar007/global.js for you personally on all wikis, and in each wiki's MediaWiki:Common.js for all users on that wiki.

You wanted other people to be able to purge/refresh your own user profile?