Since you don't want to use paid way,it'll not that easy for you to get traffic.You have to spend more time on SEO,link building,and promoting in all the places you can find.Be more patient,and you'll finally benefit from your hard work.
Make fight to the death snuff videos and post on Youtube. Bet they'll go viral almost immediately... Since this is the Internet, maybe I should say this: I am kidding. What is the website about?
The best way is notify you friend by word of mouth and ask them to spread this around. Other than that,you should also put your site at major directory to get traffic.