Someone with an overwhelming obsession with their phone, phone related apps and equipment. Someone with a new phone who is generally a boring person with nothing relevant or interesting to talk about. Someone with an aggressive need to show you their phone and tell you about its uninteresting attachments.
Look at my new phone, it has an app that comes up with interesting phone related conversation starters. Check out how much music my phone has! Why would I want to sleep with you when, instead we can talk about how much memory my phone has. I have no personality but my phone can be used as a metal detector. I am a complete Phone Wanker!