Laughter

The Master laughs with his "Master Race". (TV: The End of Time)

Darius Pike was surprised that a Jixen was capable of laughter. (TV: Hound of the Korven)

Having used the Immortality Gate to transform the human race into what he called the "Master Race", the Saxon Master laughed out loud in front of the Tenth Doctor. He was joined by numerous members of the Master Race, including Trinity Wells and Barack Obama. (TV: The End of Time)