Currently trending worldwide on Twitter as the new manager of Bristol Rovers. Can imagine Twitter users worldwide wondering who the heck this Mark McGhee is who is trending.
Re: What does "trending" mean in thie context? 'Trending' - means 'McGhee' was one of the most popular words used or searched for over a short period of time. It wasn't trending when I checked 30 mins after the original post. Current UK Trending words are: <a target='_blank' title='ImageShack - Image And Video Hosting' href='http://imageshack.us/photo/my-images/214/trending.jpg/'><img src='http://img214.imageshack.us/img214/271/trending.jpg' border='0'/></a> Uploaded with <a target='_blank' href='http://imageshack.us'>ImageShack.us</a>