Think of something that means something to you, or has a good ng to it, is memorable etc... Just sit there with a piece of paper and write down all the words that come into your head, you'll find something good. Not dj'ing i know, but when thinging of a street name, i just thought of all the letters that look good, kept it below 5 chatracters and kept thinking and changing until i ended up with something i was happy with