// ==UserScript==
// @name         Cuck Detector
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Rag on a stick
// @author       A special kid from /pg/
// @match        http://boards.4chan.org/*
// @grant        none
// @include      http://boards.4chan.org/*

// ==/UserScript==
nodes = document.evaluate("//text()",document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);

var searchterm = new RegExp('4chan Pass user since' + '.*','gi');
var replaceterm = 'Proud Cuck';
for (var i = 0; i < nodes.snapshotLength;i++){
var node = nodes.snapshotItem(i);
    node.data = node.data.replace(searchterm,replaceterm);
}