Riffing. And recording it. And posting in Youtube. I don't know but, I just watched a review of Poker Night which had a full match. The reviewer first started as being informative about the game, but then started to throw comebacks at players and expressed HATRED against some characters and stuff and, wow, it was damn entertaining. It also might be the guy's sexy British accent, though. And I'm not gay.
The said review is here:
Part 1: http://www.youtube.com/watch?v=xExNW36WpFs
Part 2: http://www.youtube.com/watch?v=2oIvGljXwos