Like everyone said, they will find out its porn related in minutes. Plus what will they say if they want to talk to your previous employer?
Just straight up lie
If your looking for a job in marketing, tell them you started a marketing agency and was very successful from 2008 to recently, then decided to split ways with your partner in the company and seek something full time.
The magic phrase is "the consulting world is not for me." this will reassure your potential employer your not going to try and run a side business while working for them or moonlight a business that will interfere with your daily job.