it wasn't "humour" at all, it was just an unfortunate choice of words, and that sort of thing does make people giggle, which is what happened here. Nobody was actually trying to be rude or crude.
her line of questioning was rather strange - and not proper english, really - i would have expected the question to be 'you beat quite a few people for the part'. time bbc presenters learnt to speak properly again!
Obiter, googling 'beating the bishop' produces about 7½ million hits as compared with 'bashing the bishop' and its fewer than half a million. Not a lot of competition there, it seems!
down and donkey.
Well Butterbun, I heard the phrase over fifty years ago, but that was in reference to a question about a certain lady when someone asked if she was a lesbian. The catty reply was, "I don't know about that dear, but the only thing she hasn't been down on is the Titanic"
I found it funny. What makes it even funnier is the other studio personnel laughing in the background, it's exactly the same sense of humour and schoolboy-esque giggling in the background that one often hears on Test Match Special.