Originally Posted by
dylanks
It is indeed possible though somewhat outside the spirit of the way things are intended.
...not that you should, but you can pile up guests to the same lounge as well...
I've done this once - but that time I thought it was legit. I had two friends fly through LHR the same day I had a 14 hour connection. First guest was with me for a few hours, then the next one - 4-5 hours later - for another few hours. I didn't feel bad about that.