sjw-skeleton.user.js

// ==UserScript==
// @name        SJW→skeleton
// @namespace   http://bjb.io
// @include     http://reddit.com/*
// @include     https://reddit.com/*
// @include     http://8chan.co/*
// @include     https://8chan.co/*
// @include     https://archive.today/*
// @version     1
// @grant       none
// ==/UserScript==
document.addEventListener('DOMContentLoaded', function () {
  // I stole most of this from 
  // https://github.com/alexhong/sjw-to-skeleton/blob/master/Source/content_script.js
  walk(document.body);
  function walk(node) {
    var child, next;
    switch (node.nodeType) {
      case 1: // Element
      case 9: // Document
      case 11: // Document fragment
        child = node.firstChild;
        while (child) {
          next = child.nextSibling;
          walk(child);
          child = next;
        }
        break;
      case 3: // Text node
        if (node.parentElement.tagName.toLowerCase() != 'script') {
          handleText(node);
        }
        break;
    }
  }
  function handleText(textNode) {
    textNode.nodeValue = textNode.nodeValue
      .replace(/\bsjw(s?)\b/gi, 'skeleton$1')
      .replace(/\bAn skeleton(s?)\b/g, 'A skeleton$1')
      .replace(/\ban skeleton(s?)\b/g, 'a skeleton$1')
      // feel free to add your own!
  }
})