so-cookie-banner-userscript.js

// ==UserScript==
// @name        Stackoverflow Cookie Banner Nommer
// @description eat the stackoverflow cookie banner
// @match       *://stackoverflow.com/*
// ==/UserScript==

console.log("userscript loaded")
setTimeout(function() {
    document.querySelector(".js-consent-banner").hidden = true;
    console.log("userscript nom'd cookie")
}, 1000);