parkr

// go to https://twitter.com/your-username, and enter the following into the developer console:
for(var i = 1; i < 500; i++){ // just do it a bunch
  // Un retweet
  document.getElementsByClassName("ProfileTweet-actionButtonUndo")[i].click();
  document.getElementsByClassName("js-close")[0].click();
  // Delete tweets
  document.getElementsByClassName("js-actionDelete")[i].childNodes[1].click();
  document.getElementsByClassName("delete-action")[0].click()
}

aras-p

// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,