// ==UserScript==
// @name desktop2butt
// @match *://boards.4chan.org/g/*
// @grant none
// ==/UserScript==

(function() {
var textnodes = document.evaluate("//body//text()[not(ancestor::script) and not(ancestor::style)]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null),
node, text;
for(var i = 0; i < textnodes.snapshotLength; i++) {
    node = textnodes.snapshotItem(i);
    text = node.data;
    text = text.replace(/desktop/, "butt");
    text = text.replace(/Desktop/, "Butt");
    node.data = text;
}
}).call(this);