Journey to 5000 unique visitors/day

Hey guys,i'm a noob in online marketing and i need your advice regarding my new website.Exactly 10 days ago,i started a humor site using the Wlol script,it's a Damnlol clone,strictly on humor(photos+gif's).On the 8th day,the website got to 1200 unique visitors/day and since then,it stayed there(avg anywhere between 1100-1200/daily),with a bounce rate of little over 80%.All of the traffic is coming from social media:Stumbleupon(mostly),Reddit and Facebook.My question is:how can i increase the traffic up to 5000 uv/day?I know that humor websites have a low CTR so i don't want to monetise it until i get pass this number of visitors and i also know that i can't do much with keywords,since there isn't much written content.Any advice will be greatly appreciated.

Best of luck with your journey