//just run this in the javascript console and you won't have to see that user's tweets until you leave or refresh the page!
function hideTweetsFromScreenName(s) {
  var tweets = document.querySelectorAll('[data-screen-name='+s+']');
  var length = tweets.length;
  while(length--)
    tweets[length].parentNode.hidden = true;
  setTimeout((function(){ hideTweetsFromScreenName(s);}),100);
};