[aes]

A Macbook user here as well. To try it out, I forked seancron's repository and changed the right mouse button to left mouse button. You have to avoid clicking on links, though.

  javascript:var i,s,ss=['https://github.com/anttisykari/kathack/raw/master/kh.js','http://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js'];for(i=0;i!=ss.length;i++){s=document.createElement('script');s.src=ss[i];document.body.appendChild(s);}void(0);