Daniel is thrusting his hips in an erotic manner.
Internet newbie? Bump aka B
ost. Bumping means he's bringing the thread back to the top and also makes it the thread that is viewable on the index page. Also, many Internet forums show as their first page a list of the 20–50 topics or "discussion threads" most recently posted to. Someone wishing to keep a thread on this first page, or bring an old thread back to it will post a reply to it purely to do this.