The act of self gratification by means of putting hand in pocket. Similar to pocket pool but more agressive and obviously wet....
Dave is such a fag bag all he wants to do at work is sit in the truck and go pocket surfing all day.
When your smart phone remains unlocked in your pocket and clicks on things outside of your knowing.
Random Message: dude, who are you? What's with all the thumbs and waves?
You: What? Oh shit, I'm sorry. My phone must have been pocket surfing. I gotta be more careful about that.