Douglas Harper's Etymology Dictionary
1975, in reference to the style of humor popularized by British TV series "Monty Python's Flying Circus."
Pythonesque is a Monty Python-related play by the British playwright Roy Smiles.It is based on Graham Chapman's battle with alcohol and his death from cancer. It continues with his rise in comedy and him getting the lead in Monty Python And The Holy Grail and Monty Python's Life Of Brian. It was first performed in South Africa in 2008 and made its British debut at the 2009 Edinburgh Fringe Festival where it starred Matt Addis as Terry Jones and Michael Palin, James Lance as Terry Gilliam and Eric Idle, Mark Oosterveen as John Cleese and Chris Polick as Graham Chapman.
It was later adapted for BBC Radio 4 with the same cast and broadcast as the Afternoon Play in September 2010.
Usage examples of "pythonesque".
What impressed him now was the toughness of what Dubdub was saying and the way in which his strongly contrasting, almost Pythonesque twittishness defused it.