This sound is from Tyrion Lannister - Game of Thrones Soundboard

The episode was Peter Dinklage's choice to support his nomination for Outstanding Supporting Actor in a Drama Series. It first aired on May 27, 2012, and is the ninth and penultimate episode of the second season of Game of Thrones. The episode is directed by Neil Marshall, his directorial debut for the series.
See also: Tyrion Lannister, A Game of Thrones, Game of Thrones (season 1), Two Swords (Game of Thrones), The Bells (Game of Thrones), List of Game of Thrones episodes.