Question Time in the House of Reps can usually fall under this. Question Time usually consists of grown men and women behaving like wild animals as they tear each other to shreds.
Perhaps the funniest part was Harry Jenkins, the Speaker of the House until late 2011, and how sick and bored of the childish antics he clearly sounded as he had to say "order' practically every minute to try and shut everyone up (almost never succeeding).
After an hour and a half of being hounded by Deputy Opposition Leader Julie Bishop over a slush fund when working as a lawyer Prime Minister Julia Gillard close Question Time with, "And I can confirm for those listening on radio that Opposition Leader Tony Abbott was in attendance today."
A possibly apocryphal story involving Ben Chifley: After he said "Lend me your ears!" in a speech, a member of the public threw a cabbage at him. It landed on the stage next to Chifley, who then called back "I said your ears, sir, not your head!"